Tech Target IT Acronyms

IT Acronyms at your
fingertips
A quick references guide with over 3,000 technology
related acronyms

We’ve all experienced it. You’re sitting in a meeting and someone spouts off an acronym. You
immediately look around the table and no one reacts.
Do they all know what it means?
Is it just me?
We’re here to help! We’ve compiled a list of over 3,000 IT acronyms for your quick reference
and a list of the top 15 acronyms you need to know now.
Top 15 acronyms you need to know now.
Click the links to get a full definition of the acronym

API, Application Programmer Interface
AWS, Amazon Web Services
BYOA, Bring Your Own Apps
BYOC, Bring Your Own Cloud
BYON, Bring Your Own Network
BYOI, Bring Your Own Identity
BYOE, Bring Your Own Encryption
IoT, Internet of Things

MDM , Mobile Device Management
PCI DSS, Payment Card Industry Data
Security Standard

SaaS, Software as a Service
SDN, Software Defined Network
SLA, Service Level Agreement
VDI, Virtual Desktop Infrastructure
VM , Virtual Machine

Quick Reference, over 3000 IT acronyms
Click the links to get a full definition of the acronym

Acronym
10 GbE
100GbE
10HD busy period
1170
121
1xRTT
2D barcode

Meaning
10 gigabit Ethernet
100 Gigabit Ethernet
10-high-day busy period
UNIX 98
one-to-one
Single-Carrier Radio Transmission Technology
two-dimensional barcode

3270
3BL
3-D
3G
3PL
3Vs
40GbE
4-D printing
4G
7W
8-VSB
A.I.
A/ m, Oe, oersted
A+
AA
AAA
AAA server
AAR
AARP
AAUI
ab W
abA
ABAP
ABB
ABBH
ABC
abC
abend
abF
abH
ABM
ABP
abS
abV
ABVS
ABVS

Information Display System
triple bottom line
three dimensions or three-dimensional
third generation of mobile telephony
third-party logistics
volume, variety and velocity
40 Gigabit Ethernet
four-dimensional printing
fourth-generation wireless
seven wastes
8-level vestigial sideband
Airborne Internet
ampere per meter
A Plus
modem lights
authentication, authorization, and accounting
authentication, authorization, and accounting
Apple Authorized Reseller
AppleTalk Address Resolution Protocol
Apple attachment unit interface
abohm
abampere
Advanced Business Application Programming
activity-based budgeting
average bouncing busy hour
activity-based costing
abcoulomb
abnormal end
abfarad
abhenry
activity-based management
Microsoft Exchange Address Book Policy
absiemens
abvolt
Automated Best Value System
automated best value system

abW
AC-3
ACD
ACeS
ACF2 or CA-ACF2
ACH
ACH fraud
ACID
ACL
ACM
ACO
ACPI
ACR
ACT
ACTA
ACTS
ACTS
ACV
AD CS
AD domain
AD forest
AD tree
ADAT
ADC
ADC
ADE
ADF
ADO
ADP
ADP
ADPCM
ADS
ADSI
ADSL
ADSM
AES

abwatt
Dolby Digital
Automatic Call Distributor
Asia Cellular Satellite System
Access Control Facility
Automated Clearing House
Automated Clearing House fraud
atomicity, consistency, isolation, and durability
access control list
Association for Computing Machinery
accountable care organization
Advanced Configuration and Power Interface
attenuation-to-crosstalk ratio
Application Compatibility Toolkit
America's Carriers Telecommunications Association
Automatic Coin Telephone System
Automatic Coin Telephone System
all commodity volume
Active Directory Certificate Services
Active Directory domain
Active Directory forest
Active Directory tree
Alesis Digital Audio Tape
automated data collection
analog-to-digital conversion
qutomated data entry
automatic document feed
ActiveX Data Objects
Automatic Data Processing Inc.
automatic data processing
adaptive differential pulse-code modulation
alternate data stream
Analog Display Services Interface
Asymmetric Digital Subscriber Line
ADSTAR Distributed Storage Management
Advanced Encryption Standard

AES/ EBU
AET
AF
AFC
AFIS
AFM
AFP
AFS
aglet
AGP
AHA
AHIMA
AHRQ
AHT
AI
AIBO
AICPA
AID
AIDC
AIFF
AIM
AIMS
AIN
AIT
AIX
Ajax
AKO
AL
ALE
ALM
ALPR
alt.
ALU
Amazon EC2
Amazon EMR
Amazon FPS

Audio Engineers Society/ European Broadcasting Union
advanced evasion technique
audio frequency or a.f.
pixie dust or antiferromagnetically-coupled
Automated Fingerprint Identification System
atomic force microscopy
Advanced Function Printing
Andrew file system
agile applet
Accelerated Graphics Port
Accelerated Hub Architecture
American Health Information Management Association
Agency for Healthcare Research and Quality
average handle time
Artificial Intelligence
Artificial Intelligence roBOt
American Institute of Certified Public Accountants
automatic identification
Automatic Identification and Data Capture
Audio Interchange File Format
application integration middleware
agile infrastructure for manufactured systems
Advanced Intelligent Network
advanced intelligent tape
Advanced Interactive eXecutive
Asynchronous JavaScript and XML
Army Knowledge Online
access list
Application Link Enabling
application lifecycle management
Automated License Plate Recognition
alternate newsgroup
arithmetic-logic unit
Amazon Elastic Compute Cloud
Amazon Elastic MapReduce
Amazon Flexible Payments Service

Amazon S3
AMD
AMD-V
AMI
AMI
AMIA
AML
AMPS
AMR
AMR
AMR
AMT
AMTOR
AMU or amu
ANI
animated GIF
ANQP
ANSI
AoE
AOI
AOP
AOSP
AP
AP
Apache Hadoop YARN
APAR
API
APICS
APIPA
APL
APM
APM
APO
APO
AppBlast
APPC

Amazon Simple Storage Service
Advanced Micro Devices
AMD virtualization
Amazon Machine Image
advanced metering infrastructure
American Medical Informatics Association
anti-money laundering software
Advanced Mobile Phone Service
ambulatory medical record
automated meter reading
Audio/ Modem Riser or AMR slot
advanced manufacturing technology
amateur teleprinting over radio
atomic mass unit
Automatic Number Identification
Graphics Interchange Format
Access Network Query Protocol
American National Standards Institute
ATA over Ethernet
automated optical inspection
aspect-oriented programming
Android Open Source Project
Adaptive Planning
accounts payable
Yet Another Resource Negotiator
authorized program analysis report
application program interface
American Production and Inventory Control Society
Automatic Private IP Addressing
a programming language
application performance monitoring
application portfolio management
advanced planning and optimization
Advanced Planner and Optimizer
Project AppBlast
Advanced Program-to-Program Communication or LU 6.2

Apple VPP
Apple WWDC
APPN
APQP
APS
APT
AR
AR
ARAX
ARIN
Arista EOS
ARJ
ARP
ARPA
ARPU
ARQ
ARRA
ARRL
AS
AS/ 400
AS1
AS2
ASAP
ASCII
ASD
ASE
ASF
ASHRAE
ASIC
ASIO
ASLR
ASN
ASN.1
ASP
ASP

Apple Volume Purchase Program
Apple Worldwide Developers Conference
Advanced Peer-to-Peer Networking
advanced product quality planning
advanced planning and scheduling
advanced persistent threat
accounts receivable
augmented reality
Asynchronous Ruby and XML
American Registry of Internet Numbers
Arista Extensible Operating System
Archive Robert Jung
Address Resolution Protocol
Advanced Research Projects Agency
average revenue per user or average revenue per unit
automatic repeat request
American Recovery and Reinvestment Act of 2009
American Radio Relay League
autonomous system
IBM iSeries, AS/ 400e, eServer iSeries/ 400
Applicability Statement 1
Applicability Statement 2
AcceleratedSAP
American Standard Code for Information Interchange
agile software development
Adaptive Server Enterprise
Apache Software Foundation
American Society of Heating, Refrigerating, and Air-Conditioning
Engineers
application-specific integrated circuit
Audio Stream Input/ Output
address space layout randomization
advanced shipping notice
Abstract Syntax Notation One
authorized service provider
application service provider

ASP
ASP+
ASPI
ASPI driver
ASPIC
ASQ
ASR
ASRS
ASSP
AST
ASTM
ASUG
ATA
ATA
ATA
ATAPI
ATE
ATE
ATL
ATM
ATO
ATP
ATR
ATS
ATSC
ATU-R
ATV
ATVEF
AUI
AUP
AV
AVA
AVI file
AVL
AVL
AWG

Active Server Page
ASP.NET
Advanced SCSI Programming Interface
Advanced SCSI Programming Interface driver
Application Service Provider Industry Consortium
American Society for Quality
automated speech recognition
automated storage retrieval systems
application-specific standard product
automated storage tiering
American Society for Testing and Materials
Americas' SAP Users' Group
American Telemedicine Association
analog telephone adapter
Advanced Technology Attachment
AT Attachment Packet Interface
automated test equipment
automated test equipment
Active Template Library
asynchronous transfer mode
assemble to order
advanced technology program
automated trouble reporting
applicant tracking system
Advanced Television Systems Committee
ADSL Terminal Unit - Remote
advanced television
Advanced Television Enhancement Forum
attachment unit interface
acceptable use policy
audio/ video
anonymous video analytics
Audio Video Interleaved file
approved vendor list
automatic vehicle locator
American Wire Gauge

AWIS
AWS
AWT
AXI
AXT
B2B
B2B
B2C
B2C
B2E
B2G
B8ZS
BA
BA
BAA
BAA
BAL
BAL
BAM
BAM
BAPI
bash
BBCs
BBS
BCSet
BCBS
Bcc
BCDR
B-channel
BCI
BCM
BCMA
BDaaS
BEDO DRAM
Bellcore

Alexa Web Information Service
Amazon Web Services
Abstract Window Toolkit
automated X-ray inspection
alien crosstalk
Business to Business
Business2Business or Business-to-Business
Business To Consumer
Business2Consumer or Business-to-Consumer
Business2Employee or Business-to-Employee
Business2Government or Business-to-Government
bipolar 8-zero substitution, binary 8-zero substitution, clear channel, clear
64
business analytics
business agility
HIPAA business associate agreement
broad agency announcement
Basic Assembler Language
Basic Assembler Language or branch-and-link
business activity monitoring
Bottleneck Allocation Methodology
Business Application Programming Interface
Bourne Again Shell
buffer credits or buffer-to-buffer credits
bulletin board system
Business Configuration Set
Basel Committee on Banking Supervision
blind carbon copy or blind courtesy copy
Business Continuity and Disaster Recovery
bearer channel
brain-computer interface
business continuity management
Bar Coded Medication Administration
big data as a service
Burst Extended Data Output DRAM
Bell Communications Research

BER
BES
BEST
BEx
BGAN
BGP
BHIE
BI
BIA
BIC
BIC
BIC
BICC
BICC
Big Data
BIOS
BISDN
BIST
bit
BLOB
BMAN
BMC
BMP
BMS
BNC
BOB
BOC
BOH
BOL
BOM
BOOTP
Box
BP&F
BPA
BPaaS
BPCS

bit error rate
BlackBerry Enterprise Server
Business / Enterprise State Transfer
Business Explorer
Broadband Global Area Network
Border Gateway Protocol
Bidirectional Health Information Exchange
business intelligence
business impact analysis
Best In Class
business information center
bank identifier code
business intelligence competency center
Bearer Independent Call Control
big data
basic input/ output system
Broadband Integrated Services Digital Network
Built In Self Test
binary digit
binary large object
Broadband Metropolitan Area Network
baseboard management controller
Best Manufacturing Practices
battery management system
Bayonet Neil-Concelman or British Naval Connector
branch office box
Bell operating company
Balance On Hand
beginning of life
Bill Of Materials
Bootstrap Protocol
Box.net
budgeting, planning and forecasting
business process automation
Business Process as a Service
Business Planning and Control System

BPEL
BPEL
BPI
BPL
BPM
BPMI
BPML
BPMN
BPMN
BPMS
BPO
BPR
BPR
BPS
bps or bit/ sec
BRE
BREW
BRI
BSA
BSA
BSD
BSOD
BSP
BT
BTF
BTM
BTO
BTOP
BTP
BTS
Btu
BU
BURN-Proof
burst SRAM
BYOA
BYOD

Business Process Execution Language
Business Process Execution Language
business process improvement
Broadband over Power Line
business process management
Business Process Management Initiative
Business Process Modeling Language
Business Process Modeling Notation
Business Process Modeling Notation
Business process management suite
business process outsourcing
business process reengineering
Business Process Reengineering
bulk power system
bits per second
business rules engine
Binary Runtime Environment for Wireless
Basic Rate Interface
Bank Secrecy Act
Business Software Alliance
Berkeley Software Distribution
blue screen of death
business service provider
business technology
Build To Forecast
business technology management
Build To Order
Broadband Technology Opportunities Program
Business Transaction Protocol
Build To Stock
British thermal unit
backup utility
Buffer Under Run Error Proof
SynchBurst SRAM
bring your own apps
bring your own device

BYOD workplace
BYOE
BYOI
BYON
BYOT
BYOx
C&C; server
CA
CA
CaaS
CAC
CAC
CACS
CAD
CAD
CAD/ CAM
CADE
CAE
CAE
CAES
CAFC
CAFE
CAGR
CAIV
CalConnect
CALEA
CALS
CAM
CAM
CAM-I
CAMM
CAMU
CAN
CAP
CAP theorem
Capex

bring your own device workplace
bring your own encryption
bring your own identity
bring your own network
bring your own technology
bring your own everything
command-and-control server
cellular automaton
certificate authority
Communications as a Service
call admission control
common access card
computer assisted coding system
Computer-Aided Design
computer-aided design
computer-aided design/ computer-aided manufacturing
Corporate Average Data center Efficiency
Computer-Aided Engineering
computer-aided engineering
compressed air energy storage
Container on Flat Car
Corporate Average Fuel Economy
Compound Annual Growth Rate
Cost As (An) Independent Variable
Calendaring and Scheduling Consortium
Communications Assistance for Law Enforcement Act
Continuous Acquisition and Life-Cycle Support
corporate account manager
Computer-Aided Manufacturing
Consortium for Advanced Manufacturing -- International
Common Assurance Maturity Model
Computerized Assembly Mock Up
corporate area network
carrierless amplitude/ phase
Brewer's theorem
capital expenditure

CAPI
CAPM
CAPOSS
CAPP
CAPTCHA
CAS
CAS
CAS
CASA
CASE
CASE
CATT
CATV
CAVE
CB
CBA
CBC
CBSA
CBT
CBT
CBT
CC
CCB
CCD
CCD
CCEVS
CCIE
CCITT or ITU-T
CCJ
CCK
CCM
CCMM
CCMP
CCNA

Common Application Programming Interface
cloud application performance management
CApacity Planning and Operation Sequence Scheduling
Computer-aided process planning
Completely Automated Public Turing Test to tell Computers and Humans
Apart
Client Access Server
channel-associated signaling
content-addressed storage
Computer and Automated Systems Association
Computer-Aided System Engineering
computer-aided software engineering
Computer Aided Test Tool
community access television
Cave Automatic Virtual Environment
Citizen's Band Radio
cost-benefit analysis
cipher block chaining
Component Based Solution Assembly
Computer-Based Training
Changed Block Tracking
computer-based training
Common Criteria
Change Control Board
Continuity of Care Document
charge-coupled device
Common Criteria Evaluation and Validation Scheme for IT Security
Cisco Certified Internetwork Expert
Telecommunication Standardization Sector of the International
Telecommunications
collaborative citizen journalism
Complementary Code Keying
Color Changing Material
cloud computing maturity model
Counter Mode with Cipher Block Chaining Message Authentication Code
Protocol
Cisco Certified Network Associate

CCNP
CCO
CCO
CCR
CCR
CCS
CCS
CCSP
CCTV
CCTV
CD
CD
CD burner
CDA
CDC
CDC
CDD
CDDI
CDE
CDE
CDF
CDI
CD-i
CDMA
CDMA One
CDMA2000
CD-MO
CDN
CDO
CDO
CDO
CDP
CDPD
CDR
CDR
CD-R

Cisco Certified Network Professional
chief customer officer
Corporate or Chief Compliance Officer
Continuity of Care Record
Central Contractor Registration
common channel signaling
hundred call second or centum call second
Cisco Certified Security Professional
closed circuit television
closed circuit television
cardholder data
compact disc
CD recorder
Clinical Document Architecture
Centers for Disease Control and Prevention
change data capture
contract delivery date
Copper Distributed Data Interface
Common Desktop Environment
cardholder data environment
Channel Definition Format
customer data integration
Compact Disc - interactive
Code-Division Multiple Access
cdmaOne or code-division multiple access one
IMT-CDMA Multi-Carrier or code-division multiple access 2000
CD-Magneto Optical
content delivery network
Chief Digital Officer
Collaboration Data Objects
chief data officer
clean desk policy
Cellular Digital Packet Data
call detail record
Computed Dental Radiography
compact disc, recordable

CD-ROM XA
CD-RW
CDSL
CDSS
CdTe
CEBP
CELL
CEM
CEMS
CEO
CEP
CERCLA
CERN
CERT
CES
CF card
CFAA
CFAR
CFB
CFD
CFD
CFI
CFL
CFM
CFML
CFO
CFR
CG
CGI
CGMP
CGO
CHAP
CHDR
CHI
CHIME

Compact Disc - read-only-memory, extended architecture
compact disc, rewriteable
Consumer Digital Subscriber Line
clinical decision support system
cadmium telluride
communications-enabled business processes
Cell processor
customer experience management
Contract Electronic Manufacturing Services
Chief Executive Officer
complex event processing
Comprehensive Environmental Response, Compensation and Litigation
Act
Conseil Europeen pour la Recherche Nucleaire
Computer Emergency Readiness Team
Consumer Electronics Show
CompactFlash card
Computer Fraud and Abuse Act
Collaboration Forecasting and Replenishment
ciphertext feedback
Computational Fluid Dynamics
computational fluid dynamics
custom factory integration
compact fluorescent light bulb
Continuous Flow Manufacturing
ColdFusion Markup Language
Chief Financial Officer
call failure rate
Consumer Goods
common gateway interface
Current Good Manufacturing Practices
Chief Green Officer
Challenge-Handshake Authentication Protocol
Clinical Data Repository/ Health Data Repository
Consolidated Health Informatics
College of Healthcare Information Management Executives

CHKDSK
chmod
CHRO
CHTML
CI
CI
CI
CI
CIA
CICS
CIDM
CIDR
CIDR
CIFS
CIM
CIO
CIPE
CIR
CIS
CIS
CISA
CISC
Cisco IOS
Cisco LISP
CISM
CISO
CISPA
CISP-PCI
CISS
CISSP
CIW
CIW
CKO
CL
CLASS

check disk
change mode
chief human resources officer
Compact HTML
customer intelligence
Continuous Improvement
continuous integration
competitive intelligence
confidentiality, integrity, and availability
Customer Information Control System
Customer-Integrated Decision Making
supernetting or Classless Inter-Domain Routing
Classless Inter-Domain Routing or supernetting
Common Internet File System
Common Information Model
Chief Information Officer
Compressed Integrated Product Engineering
committed information rate
cloud-integrated storage
Center for Internet Security
Certified Information Systems Auditor
complex instruction set computer or computing
Cisco Internetwork Operating System
Location Identifier Separation Protocol
certified information security manager
chief information security officer
Cyber Intelligence Sharing and Protection Act of 2011
Cardholder Information Security Program - Payment Card Industry Data
Security Standard
Cisco Information Security Specialist
Certified Information Systems Security Professional
Certified Internet Webmaster
Computer Intensive Workload
chief knowledge officer
cluster log
Capacity Loading and Operation Sequence Scheduling

CLEC
CLI
CLI
Click Fraud
CLM
CLO
cloud DR
cloud NAS
CLR
clustered NAS
CM
CM
CM
CMA
CMDB
CMDM
CMIO
CMIP
CMIS
CMM
CMO
CMOS
CMOx
CMR
CMRP
CMS
CMS
CMS
CMTS
CMYK
CNA
CNC
CNG
CNO
CNR
CO

competitive local exchange carrier
Common Language Infrastructure
command line interface
pay-per-click fraud
Council For Logistics Management
chief learning officer
cloud disaster recovery
cloud network attached storage
Common Language Runtime
Clustered network-attached storage
configuration management
Contract Manufacturer
content management
content management application
configuration management database
Collaborative Master Data Management
Chief Medical Information Officer
Common Management Information Protocol
Content Management Interoperability Services
Capability Maturity Model
chief marketing officer
complementary metal-oxide semiconductor
conductive metal-oxide
customer-managed relationship
Capacitated Material Requirements Planning
Centers for Medicare & Medicaid Services
content management system
Conversational Monitor System
cable modem termination system
cyan, magenta, yellow, key
converged network adapter
Computer Numerical Control
comfort noise generator
cluster name object
Communication and Networking Riser
central office

CO
COA
COA
COA
COB
COBOL
COD
COGS
CoIP
COLD
colo
COM
Commerce XML
CompTIA
CONUS
COO
COO
COO
COPE
COPPA
COPS
CORBA
corporate VM
COS
CoS
COTS
COTS
CP
CP
CP
CPCA
CPE
CPG
CPIM
CPIO
CPL

capacity optimization
cloud-oriented architecture
chart of accounts
Continuous Ordering Agreement
Chip On Board
Common Business Oriented Language
capacity on demand
Cost of Goods Sold
communications over Internet Protocol
Computer Output to Laser Disk
colocation
Component Object Model
cXML or Commerce Extensible Markup Language
Computing Technology Industry Association
continental United States
Chief Operating Officer
Cost of Ownership
Cell of Origin
corporate-owned, personally-enabled
Children's Online Privacy Protection Act
Common Open Policy Service Protocol
Common Object Request Broker Architecture
corporate virtual machine
Class of Service
Class of Service
Commercial Off The Shelf
commercial off-the-shelf
configuration profile
Cost Performance
control plane
California Primary Care Association
customer premises equipment
consumer packaged goods
Certified in Production and Inventory Management
Chief Process and Innovation Officer
computer pidgin language

CPM
CPM
CPM
CPNI
CPO
CPOE
CPPS
CPRM
CPS
CPT
CPU
CPW
CQA
CQE
CR
CRA
CRAC
CRAH
CRAM
CRC
CRC-4
Credit CARD Act
CRL
CRM
CRM
CRM
CRO
CRP
CRT
CRT
CRUSH
CSA
CSAT
CSBB
CSC
CSC

corporate performance management
Certified Purchasing Manager
critical path method
Customer Proprietary Network Information
Chief Procurement Officer
computerized physician order entry
Cost Performance Products Sector
Content Protection for Removable Media
cycles per second
Current Procedural Terminology
central processing unit
Commercial Processing Workload
Certified Quality Auditor
Certified Quality Engineer
cognitive radio
customer relationship analysis
computer room air conditioning unit
computer room air handler
challenge-response authentication mechanism
Cyclic Redundancy Check
Cyclic Redundancy Check 4
Credit Card Accountability, Responsibility, and Disclosure Act of 2009
Certificate Revocation List
Customer Relationship Management
citizen relationship management
customer relationship management
Chief Risk Officer
Capacity Requirements Planning
Current Reality Tree
cathode ray tube
Controlled Replication Under Scalable Hashing
Cloud Security Alliance
customer satisfaction
Client Side Browser Based
customer service chat
common short code

CSD
CSI
CSIRT
CSMA/ CA
CSMA/ CD
CSO
CSO
CSP
CSR
CSR
CSR
CSS
CSS
CSS
CSS
CSS1
CSU/ DSU
CSV
CSV
CTC
CTC
CTCI
CTD
CTE
CTFT
CTG
CTI
CTO
CTO
CTOps team
CTP
CTP
CTP
CTR
CUE
CULV

circuit switched data
Customer Satisfaction Index
Computer Security Incident Response Team
Carrier Sense Multiple Access/Collision Avoidance
Carrier Sense Multiple Access/Collision Detect
Chief Strategy Officer
Chief Security Officer
Commerce Service Provider
corporate social responsibility
Carrier Sensitive Routing
Certificate Signing Request
customer service and support
Content Scrambling System
cascading style sheet
customer self-service
Cascading Style Sheet, level 1
Channel Service Unit/ Data Service Unit
comma-separated values file
Cluster Shared Volumes
click-to-talk
community technology center
Computer-to-computer interface
cumulative trauma disorder
Committee on Trade and the Environment
color thin film transistor
Council for Trade in Goods
computer-telephony integration
Chief Technology Officer
Configure To Order
counterthreat operations team
CloudTrust Protocol
Capability To Promise
common test platform
clickthrough rate
carbon usage effectiveness
consumer ultra-low voltage

custom TLD
CVC
CVE
CVO
CVS
CVV
CWDM
CWE
CWF
CWNP
CX
CXO
D2D2C
D2D2T
DA
DAA
DaaS
DaaSprovider
DAB
DAC
DAC
DAFS
DAG
DAI
DAM
DAMA
DAML
D-AMPS
DAO
DAQ
DARC
DARPA
DAS
DAS
DASD
DAT

custom domain name suffix
Calibrated Vectored Cooling
Common Vulnerabilities and Exposures
chief visionary officer
Concurrent Versions System
card verification value
coarse wavelength division multiplexing
Common Weakness Enumeration
common working file
Certified Wireless Networking Professional
consumer experience
chief experience officer
disk-to-disk-to-cloud
disk-to-disk-to-tape
data analytics
Data Access Arrangement
Desktop as a Service
Desktop as a Service provider
digital audio broadcasting
digital-to-analog conversion
Microsoft Dynamic Access Control
Direct Access File System
database availability group
Dynamic ARP Inspection
database activity monitoring
Design Anywhere Manufacture Anywhere
DARPA Agent Markup Language
Digital-Advanced Mobile Phone Service
Data Access Objects
Data Acquisition
Defense Acquisition Regulatory Council
Defense Advanced Research Projects Agency
distributed antenna system
direct-attached storage
direct access storage device
Digital Audio Tape

DAW
DBA
DBaaS
dBc
dBd
dBi
DBIR
dBm
DBMS
DBMS
dBmV
DBOR
dBr
DBS
DBS
DB-xx
DC
DC
DCaaS
DCB
DCE
DCIE
DCIM
DCIT
DCM
DCMA
DCML
DCO
DCOM
DCPA
DCPromo
DCS
DDB
DDBMS
DDCD
DDDM

digital audio workstation
database administrator
Database as a Service
decibels relative to carrier
decibels related to dipole antenna
decibels relative to isotropic radiator
Verizon Data Breach Investigations Report
decibels relative to one milliwatt
Database Management System
database management system
decibels relative to one millivolt
database of record
decibels relative to reference level
demand-based switching
direct broadcast satellite
DB-9, DB-15, DB-25, DB-50, DB-68
Distribution Center
direct current
data center as a service
data center bridging
Distributed Computing Environment
data center infrastructure efficiency
data center infrastructure management
Digital Compression of Increased Transmission
dynamic case management
Defense Contract Management Agency
Data Center Markup Language
data center outsourcing
Distributed Component Object Model
Distributed Control Plane Architecture
Domain Controller Promoter
Distributed Control System
Amazon Dynamo Database
distributed database management system
Double-Density Compact Disk
data-driven decision management

DDE
DDE
DDK
DDL
DDM
DDM
DDoS
DDR SDRAM
DDS, DDS-1, DDS-2,
DDS-3, DDS-4
DEC
DECT
DEM
demarc
DEN
DES
DES
DES
DFA
DFAA
DFB
DFD
DFE
DFL
DFM
DFM
DFS
DFS
DFSC
DFT
DG
DHA
DHCP
DHS
DICOM
DID

Dynamic Data Exchange
Dynamic Data Exchange
driver development kit
Data Definition Language
demand-driven manufacturing
direct digital marketing
distributed denial-of-service attack
double data rate SDRAM
Digital Data Storage
Digital Equipment Corporation
Digital Enhanced Cordless Telecommunications
Dynamic Enterprise Modeling
demarcation point
Directory-Enabled Networking
Distributed Execution System
Data Encryption Standard
discrete event simulation
Design for Assembly
Design for Automated Assembly
Distributed Feedback
Design for Disassembly
Design For Environment
Demand Flow Leadership
Demand Flow Management
digital footprint management
Distributed Factory System
distributed file system
Design for Supply Chain
Demand Flow Technology
data governance
directory harvest attack
Dynamic Host Configuration Protocol
U.S. Department of Homeland Security
Digital Imaging and Communications in Medicine
Direct Inward Dialing

DIME
DIMM
direct Telnet
DirSync
DISA
Diskpart
Divx
DLC
DLL
DLM
DLP
DLT
DMA
DMAIC
DMB
DMCA
DMD
DMI
DMI
DMP
DMP
DMR
DMS
DMT
DMTF
DMVPN
DMZ
DNC
DNC
DNG
DNIS
DNN
DNS
DNSSEC
DNT
DO

Direct Internet Message Encapsulation
dual in-line memory module
reverse Telnet
Windows Azure Active Directory Sync
Defense Information Systems Agency
Disk Partition Utility
Digital Video Express
data link control
dynamic link library
data life cycle management
data loss prevention
digital linear tape
Direct Memory Access
define, measure, analyze, improve, control
digital multimedia broadcasting
Digital Millennium Copyright Act
Direct Metal Deposition
Digital Migration Interface
Desktop Management Interface
data management platform
dynamic multi-pathing
direct market reseller
Defense Message System
discrete multitone
Distributed Management Task Force
dynamic multipoint VPN
demilitarized zone
Direct Numerical Control
distributive numerical control
Digital Negative
Dialed Number Identification Service
DotNetNuke
domain name system
DNSSecurity Extensions
Do Not Track
derived object

DOC
DoCoMo
DOCSIS
DOD
DOD
DOE
DOI
DOL
DOLAP
DOLS
DOM
DoPa
DoS
DOS
DOVE
DP
DP
DPA
DPI
dpi
DPL
DPM
DPMI
DR
DRA
DRaaS
DRAM
DRBD
DRC
DRDRAM
DRIPS
DRM
DRM
DROP
DRP
DRP

Department of Commerce
NTT DoCoMo
Data Over Cable Service Interface Specifications
Department of Defense
Direct Outward Dialing
Department of Energy
digital object identifier
Department of Labor
Desktop OnLine Analytical Processing
Domino Off-Line Services
Document Object Model
DoCoMo Packet Transmission
denial of service
Disk Operating System
IBM DOVE
Design Postponement
data plane
differential power analysis
deep packet inspection
dots per inch
Digital Powerline
data protection management
DOSProtected Mode Interface
disaster recovery
data recovery agent
disaster recovery as a service
dynamic random access memory
Distributed Replicated Block Device
Design Rule Checking
Rambus Dynamic Random Access Memory
data reduction in primary storage
digital rights management
device relationship management
delivery of real-time execution information protocol
disaster recovery plan
Distribution Requirements Planning

DRS
DSB
DSC
DSLAM
DSLR camera
DSML
DSN
DSN
DSO
DSO
DSO exploit
DSOM
DSP
DSP
DSR
DSR
DSRM
DSRP
DSS
DSS
DSS
DSSS
DSSSL
DST
DSTP
DTD
DTE
DTE
DTMF
DTN
DTP
DTP
DTR
DTTV
DTV
DTX

Storage Distributed Resource Scheduler
Dispute Settlement Body
Digital Still Camera
Digital Subscriber Line Access Multiplexer
digital single lense reflux
Directory Services Markup Language
Deep Space Network
data source name
Days Sale Outstanding
data source object
data source object exploit
Distributed System Object Model
Digital Signal Processor
digital signal processing
Demand signal repository
Dynamic Source Routing
Directory Services Restore Mode
Demand Solutions Requirements Planning
decision support system
Decision Support System
Digital Signature Standard
direct sequence spread spectrum
Document Style Semantics and Specification Language
Daylight Saving Time
Data Space Transfer Protocol
Document Type Definition
Direct-to-Edit
Data Terminal Equipment
dual tone multi frequency
disruption-tolerant network
Distributed Transaction Processing
Digital Text Platform
data transfer rate
digital terrestrial television
digital television
discontinuous transmission

DUNDi
Duqu
DUT
DVB
DVD
DVD
DVD-A
D-VHS
DVI
DVMRP
DW
DWDM
DXL
dynamic BPM
dynamic SQL
E&M;
E&O
E. F. Codd
E2E
E2K
E911
EA
EA
EaaS
EaaS
EAC
EAI
EAI
EAM
EAP
EAP
EB
EBCDIC
EBIF
EBITDA
EBPP

Distributed Universal Number Discovery
W32.Duqu
Device Under Test
Digital Video Broadcasting
Digital Video Disk
digital video disk
DVD-Audio
Digital Video Home System
Digital Visual Interface
Distance Vector Multicast Routing Protocol
Data Warehousing
dense wavelength division multiplexing
Domino Extensible Language
business process management
Dynamic Structured Query Language
ear and mouth
Excess and Obsolete
Edgar F. "Ted" Codd
exchange-to-exchange
Exchange 2000
Enhanced 911
enterprise architecture
emotions analytics
Ethernet as a service
encryption as a service
Exchange Administration Center
External Application Interface
enterprise application integration
enterprise asset management
employee assistance program
Extensible Authentication Protocol
exabyte
Extended Binary Coded Decimal Interchange Code
Enhanced TV Binary Interchange Format
earnings before interest, taxes, depreciation, and amortization
electronic bill presentment and payment

EBR
EBXML
ebXML
EC
EC
ECASS
ECB
ECC
ECC
ECC
ECCS
E-CD
ECDL
ECM
ECM
ECMAScript
ECN
ECO
ECOphlex
ECPA
ECR
ECRC
EDA
EDA
EDE
EDGAR
EDGE
EDI
EDI
EDIFACT
EDL
EDM
EDM
EDM
EDM
EDMS

Electronic Batch Record
Electronic Business XML
electronic business xml
enterprise collaboration
Electronic Commerce
silence machine or Electronic Controlled Acoustic Shadow System
Electronic Code Book
Error Correction Code
elliptical curve cryptography
error correction code or error checking and correcting
European Cloud Computing Strategy
enhanced CD
European Computer Driving License
Engineering Change Management
enterprise content management
European Computer Manufacturers Association Script
Electronic Change Notice
Engineering (or Electronic) Change Order
PHase-change Liquid EXchange
Electronic Communications Privacy Act
Efficient Consumer Response
Electronic Commerce Resource Center
Electronic Document Access
event-driven architecture
electronic disposal efficiency
Electronic Data Gathering, Analysis and Retrieval
Enhanced Data GSM Environment
Electronic Data Interchange
Electronic Data Interchange
Electronic Data Interchange for Administration, Commerce and Transport
enhanced driver's license
enterprise document management
Electronic Discharge Machine
Electrical Discharge Machine or Machining
Electronic Document Management
Engineering Document Management Systems

EDO RAM
EDP
EDR
EDRAM
EDRM
EEF
EEOC
EEPROM
EES
EES
EF sensing
EFF
EFI
EFS
EFT
EFT
EggFusion
EGP
EHR
EI
EIA
EIC
eICU
EIDE
EIGRP
EIM
EIM
eInk
EIP
EIS
EISA
EISA
EJB
ELED
ELF
ELM

extended data output RAM
electronic data processing
enterprise data replication
enhanced dynamic random access memory
electronic discovery reference model
Encyclopedia of Ethical Failure
Equal Employment Opportunity Commission
electrically erasable programmable read-only memory
Engineering Execution Systems
Escrowed Encryption Standard
electric field sensing
Electronic Frontier Foundation
Electronic Freight Invoice
Encrypting File System
Electronic Funds Transfer
Electronic Funds Transfer
egg-vertising
Exterior Gateway Protocol
electronic health record
emotional intelligence
Electronic Industries Association or Electronics Industries Alliance
Earned Income Credit
electronic intensive care unit
Enhanced Integrated Drive Electronics
Enhanced Interior Gateway Routing Protocol
enterprise information management
Enterprise Identity Mapping
EInk
enterprise information portal
Executive Information System
Extended Industry Standard Architecture
Extended Industry Standard Architecture
Enterprise JavaBeans
entangled light-emitting diode
extremely low frequency
event log manager

ELMS
ELT
ELV
EMAS
EMC
EMCCA
EME
EMET
EMF
EMI
EMI
eMLC
EMM
EMP
EMR
EMS
EMS
EMS
ENISA
e-nose
EoIP
EOL
EOM
EOP
EOQ
EPA
EPC
EPD
EPEAT
EPG
ePHI
EPIC
EPIC
EPOD
EPOP
EPP/ ECP

Event log management software
Extract, Load, Transform
End of Life Vehicle
Eco-Management and Audit Scheme
Exchange Management Console
EMC cloud architect certification
moonbounce or Earth-Moon-Earth
Microsoft Enhanced Mitigation Experience Toolkit
Enhanced MetaFile
Early Manufacturing Involvement
electromagnetic interference
enterprise MLC
enterprise mobility management
electromagnetic pulse
electronic medical record
Microsoft Exchange Management Shell
Effective Management Systems
Enhanced Messaging Service
European Network and Information Security Agency
electronic nose
Electricity over IP
end of life
end of message
Microsoft Exchange Online Protection
Economic Order Quantity
Microsoft Exchange Server Profile Analyzer
Evolved Packet Core
electronic paper display
Electronic Product Environmental Assessment Tool
electronic program guide
electronic protected health information
Electronic Privacy Information Center
Explicitly Parallel Instruction Computing
electronic publishing on demand
Ethernet point-of-presence
Enhanced Parallel Port/ Enhanced Capability Port

EPR
ERA
ERC
ERD or ER diagram
ERM
ERM
ERM
ERM Group
ERM or ER model
ERMS
ERP
ERP
ERS
eRx
ESA
ESB
ESCD
ESCON
ESD
ESDI
ESDRAM
ESE
ESI
ES-IS
ESMR
ESMTP
ESP
ESS
Ethernet/ IP
ETL
ETM
ETO
ETP
ETRN
ETSI
EUCplatform

endpoint reference
Electronic Remittance Advice
Engineering Reseach Center
entity-relationship diagram
enterprise relationship management
Environmental Resource Management
enterprise resource management
Environmental Resource Management
entity-relationship model
email response management service
Enterprise Resource Planning
enterprise resource planning
Evaluated Receipt Settlement
e-prescribing
Enterprise Services Architecture
enterprise service bus
Extended System Configuration Data
Enterprise Systems Connection
electrostatic discharge
Enhanced Small Device Interface
Enhanced Synchronous DRAM
Environmentally Sustainable Electronics
electronically stored information
End System-to-Intermediate System
Enhanced Specialized Mobile Radio
Extended Simple Mail Transfer Protocol
event stream processing
employee self-service
Ethernet Industrial Protocol
extract, transform, load
Enterprise Transportation Management
Engineer To Order
Enterprise Transportation Planning
Extended Turn
European Telecommunications Standards Institute
end user computing platform

EULA
EUTELSAT
EUVL
EV
EVA
EV-DO
EVM
EWS
EWSD
ExBPA
ExRCA
EZ/ EC
ezine
FA
FACTA
FAQ
FAR
FAS
FASAB
FASAB
FAT
FAWN
FBE
FC
FCA
FC-AL
FCAPS
FCC
FCIA
FCIP or FC/ IP
FCoE
FCP
FC-PGA
FCR
FCRA
FCRA

End User License Agreement
European Telecommunications Satellite Organization
extreme ultraviolet lithography
Electric Vehicle
Economic Value Added
1x Evolution-Data Optimized
Earned Value Management
Exchange Web Services
Electronic Worldwide Switch Digital
Exchange Best Practices Analyzer
Exchange Remote Connectivity Analyzer
Empowerment Zone/ Enterprise Community
electronic magazine
Flexible Automation
Fair and Accurate Credit Transactions Act
frequently-asked questions
Federal Acquisition Regulation
Final Assembly Schedule
Federal Accounting Standards Advisory Board
Federal Accounting Standards Advisory Board
file allocation table
fast array of wimpy nodes
Framework Based Environment
Windows Azure Fabric Controller
Flip Chip Assembly
Fibre Channel Arbitrated Loop
fault-management, configuration, accounting, performance, and security
Federal Communications Commission
Fibre Channel Industry Association
Fibre Channel over IP
Fibre Channel over Ethernet
Finite Capacity Planning
flip chip-pin grid array
first call resolution
Fair Credit Reporting Act
Fair Credit Reporting Act

FCS
FDCC
FDDI
FDE
FDI
FDIC
FDM
FDMA
FEC
FECN/ BECN
FED
FedRAMP
FedRAMP 3PAO
FEM
FERC
FERPA
FET
FFIECcompliance
FG-D
FHA
FHIE
FI
FICON
FIFO
FIFO
FIM
FinCEN
FINRA
FiOS
FIP
FIP
FIPS
FIPS
FIS
FISMA

Finite Capacity Scheduling
Federal Desktop Core Configuration
Fiber Distributed Data Interface
full-disk encryption
Foreign Direct Investment
Federal Deposit Insurance Corporation
frequency-division multiplexing
frequency division multiple access
forward error correction
forward explicit congestion notification/ backward explicit congestion
notification
field emission display
Federal Risk and Authorization Program
third-party assessment organization
Finite Elements Method
Federal Energy Regulatory Commission
Family Educational Rights and Privacy Act of 1974
field-effect transistor
Federal Financial Institutions Examination Council
Feature Group D
Federal Health Architecture
Federal Health Information Exchange
Fast Infoset
Fiber Connectivity
First In, First Out
first-in, first-out
federated identity management
Financial Crimes Enforcement Network
Financial Industry Regulatory Authority
Fiber Optic Service
Factory Information Protocol
Fair Information Practices
Federal Information Processing Standards
Federal Information Processing Standards
Factory Information System
Federal Information Security Management Act

FITCE
FIX protocol
Fizt
FLOPS
FLSA
FLSM
FLT
FM
FMAC
FMC
FME
FMEA
FMEA
FMP
FMS
FMS
FnR
FOB
FOLED
FOPE
FORTRAN
FOSS
FP
FP
FP&A
FPCA
FPDS
FPGA
FPI
FPM
FPM DRAM
FpML
FPP
fps
fps system of units
FPT

Federation of Telecommunications Engineers of the European Community
Financial Information Exchange protocol
physics tool
floating-point operations per second
Fair Labor Standards Act
fixed-length subnet mask
Fermat's Last Theorem
frequency modulation
Flexible Mandatory Access Control
fixed-mobile convergence
Feature Manipulation Engine
Failure Mode and Effect Analysis
failure mode and effective analysis
FileMaker
Flexible Manufacturing System
fixed-mobile substitution
Find and replace
fresh out of the box
flexible organic light emitting device
Forefront Online Protection for Exchange
FORmula TRANslation
Free and open source software
Finite Planning
fat provisioning
financial planning and analysis
Foreign Corrupt Practices Act
Federal Procurement Data System
field-programmable gate array
Federal Prison Industries
federated presence management
Fast Page Mode DRAM
Financial Products Markup Language
Full Packaged Product
frames per second
foot-pound-second system of units
Fine Pitch Technology

FPU
FQA
FQDN
FRA
FRAD
FRAM
FRCP
FROG
FRR
FRT
FRU
FRU
FSAN
FSB
FSF
FSK
FSML
FSO
FSP
FSRM
FTA
FTAM
FTC
FTP
FTP cable
FTSfile
FTTC
FTTH
FTTx
FUD
FUN
Fwbuilder
Fx3 or FF3
FYI
G2G
GAAP

floating point unit
frequently questioned answers
fully qualified domain name
Federal Railroad Administration
frame relay access device or frame relay assembler/ dissembler
ferroelectric RAM
Federal Rules of Civil Procedure
Free Roaming On Grid
fast retransmit and recovery
Future Reality Tree
field-replaceable unit
Field Replaceable Units
Full Services Access Network
frontside bus
Free Software Foundation
frequency-shift keying
Financial Services Markup Language
free-space optics
full-service provider
File Server Resource Manager
Federal Transit Authority
File Transfer Access Method
Federal Trade Commission
File Transfer Protocol
foil screened twisted pair cable
full-text search file
fiber to the curb
fiber to the home
fiber to the x
Fear, Uncertainty, and Doubt
focus on user needs
Firewall Builder
Firefox 3
for your information
government to government
Generally Accepted Accounting Principles

GAAP
GaAs
GaAsFET
GAL
GALP
GAN
GaN
GAO
GAO
GARP
GATE
GATS
GATT
GB
GBIC
Gbps
G-cloud
GDMO
GDP
Geek Games
GEM
Generation F
GESTALT
GFEBS
GHz
GIA
GID
GIF
GIF89a
gigapop
GIGO
GII
GIMP
GIS
GL
GLBA

generally accepted accounting standards
gallium arsenide
gallium arsenide field-effect transistor
Microsoft Exchange Global Address List
Good Automated Laboratory Practices
Generic Access Network
gallium nitride
Government Accountability Office
General Accounting Office
Generic Attribute Registration Protocol
General Architecture for Text Engineering
General Agreement on Trade in Services
General Agreement on Tariffs and Trade
gigabyte
gigabit interface converter
billions of bits per second
government cloud
Guidelines for Definition of Managed Objects
Gross Domestic Product
IT Olympics
Generic Equipment Model
Generation Facebook
Grid-based Estimation of Surface Traversability Applied to Local Terrain
General Fund Enterprise Business System
gigahertz
Government Information Awareness
group ID or global index file
Graphics Interchange Format
Graphics Interchange Format Version 89a
gigabit point-of-presence
garbage in, garbage out
global information infrastructure
GNU Image Manipulation Program
geographic information system
general ledger
Gramm-Leach-Bliley Act

GLONASS
GlusterFS
GLV
GML
GMP
GMP
GMPLS
GMROI
GNEC
GNOME
GNOME
GNSS
GNU General Public
License
go bosh
Google Play
gOS
GP Editor
GPF
GPO
GPRS
GPS
GPSmessaging
GPU
GRC
GRC
GRE
green IT
GRUB
GSM
GSM
GTAG
gTLD
GTM strategy
GUA

Globalnaya Navigatsionnay Sputnikovaya Sistema
Gluster File System
grating light valve
Generalized Markup Language
Good Manufacturing Practices
good manufacturing practice
Generalized Multiprotocol Label Switching or Multiprotocol Lambda
Switching
Gross Margin Return on Investment
Global Network Enterprise Construct
GNU Network Object Model Environment
GNU Network Object Model Environment
Global Navigation Satellite System
GNU GPL or simply GPL
Go Big or Stay Home
Android Market
good operating system
Group Policy Editor
general protection fault
Group Policy Object
General Packet Radio Services
Global Positioning System
Global Positioning System messaging or mid-air messaging
graphics processing unit
Governance, Risk and Compliance
governance, risk management and compliance
Generic Routing Encapsulation
green information technology
GRand Unified Bootloader
Microsoft System Center Global Service Monitor
Global System for Mobile communication
Global Tag
generic top-level domain name
go-to-market strategy
graphical password or graphical user authentication

guest VM
GUI
GUI testing
GUID
GUM
GVRP
GWAC
Gy
H.R. 744
H/ m
HA
HA cluster
HA storage
HaaS
HAL
HALO
HANA
Hardy Heron
HASA
HAVA
HAVi
HBA
HCCA
HCI
HCM
HDCD
HDCP
HDD
HDD
HD-DVD
HDFS
HDLC
HDMI
HDML
HD-ROM
HDSL

guest virtual machine
graphical user interface
graphical user interface testing
global unique identifier
Global Update Manager
GARP VLAN Registration Protocol or Generic VLAN Registration Protocol
governmentwide acquisition contract
gray
I-SPYAct -- Internet Spyware Prevention Act of 2005
henry per meter
high availability
high availability cluster
high-availability storage
Hardware as a Service
hardware abstraction layer
High Altitude Long Operation
SAP HANA
Ubuntu 8.04 LTSServer Edition
Highly Accelerated Stress Audit
Help America Vote Act of 2002
Home Audio Visual
host bus adapter
Health Care Compliance Association
human-computer interaction
human capital management
High Definition Compatible Digital
High-bandwidth Digital Content Protection
hybrid hard disk drive
hard disk drive
high-density DVD
Hadoop Distributed File System
High-level Data Link Control
High-Definition Multimedia Interface
Handheld Device Markup Language
High-Density - Read Only Memory
High bit-rate Digital Subscriber Line

HDTV
HFCnetwork
HFT
HFTP
HH
HHD
HHR
HHS
HIDS/ NIDS
HIE
HIMSS
HIPAA
HIPAA omnibus rule
HIPPI
HiPPO
HIPS
HIT
HITA
HITECH Act
HKEY
HLASM
HLD
HLR
HMAC
HMD
HMI
HMIPv6
HOLAP or Hybrid OLAP
HomeRF
HP
HP
HP CSN
HP VSE
HPC
HPCC
HPFS

high definition television
hybrid fiber coaxial network
high-frequency trading
Hospitality Financial and Technology Professionals
Hand Held
hybrid hard drive
hybrid health record
Health and Human Services
host intrusion detection systems and network intrusion detection systems
health information exchange
Healthcare Information and Management Systems Society
Health Insurance Portability and Accountability Act
Health Insurance Portability and Accountability Act of 1996 omnibus rule
High-Performance Parallel Interface
highest paid person's opinion, highest paid person in the office
host intrusion prevention systems
Health IT
Hospitality Information Technology Association
Health Information Technology for Economic and Clinical Health Act
Handle to Registry Key
High Level Assembler
hardware load-balancing device
Home Location Register
Hash-based Message Authentication Code
Head Mounted Display
Human Machine Interface
Hierarchical Mobile IPv6
hybrid online analytical processing
home radio frequency
High Performance
Hewlett-Packard
HP Channel Services Network
HP Virtual Server Environment
high-performance computing
High Performance Computing and Communications
High Performance File System

HP-GL
HPNA
HPPS
HPSS
HPV
HR
HR
HRM
HRM
HS 2.0
HSCSD
HSDPA
HSM
HSM
HSPA
HSPD-7
HSRP
HSSI
HT server
HTF
HTML
HTTP
HTTPD
HTTPS
HUD
HUD
HVAC
HVD
HVD
I&T;
I/ O
I/ O
I/ O contention
I/ O fencing
I18N
I2Cbus

Hewlett-Packard Graphics Language
Home Phoneline Networking Alliance
High Performance Product Sector
High Performance Storage System
High Production Volume
human resources
Human Resources
human resource management
Human Resource Management
Hot Spot 2.0
High-Speed Circuit-Switched Data
High-Speed Downlink Packet Access
Hierarchical Storage Manager
Hierarchical Storage Management
high speed packet access
Homeland Security Presidential Directive No. 7
Hot Standby Router Protocol
High-Speed Serial Interface
hub transport server
Higgins Trust Framework
Hypertext Markup Language
Hypertext Transfer Protocol
Hypertext Transfer Protocol daemon
HTTP over SSL or HTTP Secure
Heads Up Display
heads-up display
heating, ventilation, and air conditioning
hosted virtual desktop
holographic versatile disc
integration testing or integration and testing
Input Output
input/ output
input/ output contention
input/ output fencing
internationalization
Inter-IC bus

I2S
IA
IaaS
IAB
IAB
IAM
IAM
IANA
IAO
IAP
IAX
IBM
IBM TSM
IBP
IC
ICANN
IC-BPMS
ICD-10-CM
ICD-9-CM
ICE
ICE
ICE
IcM
ICM file
ICMP
ICMP sweep
ICP
ICR
ICS
ICT
ICT4D
ID
IDaaS
IDE
IDE

SQUID
internal audit
Infrastructure as a Service
Internet Advertising Bureau
Internet Architecture Board
identity access management
integrated access management
Internet Assigned Numbers Authority
Information Awareness Office
Internet access provider
Inter-Asterisk Exchange Protocol
International Business Machines
IBM Tivoli Storage Manager
integrated business planning
integrated circuit
Internet Corporation for Assigned Names and Numbers
integration-centric business process management suite
International Classification of Diseases, Tenth Revision, Clinical
Modification
International Classification of Diseases, Ninth Revision, Clinical
Modification
Information and Content Exchange
in-circuit emulator
In Case of Emergency
incident management
Image Color Matching file
Internet Control Message Protocol
ping sweep
Internet commerce provider
intelligent character recognition
Android 4.0 Ice Cream Sandwich
information and communications technology - or technologies
Information and Communications Technologies for Development
intrusion detection
identity as a Service
integrated development environment
Integrated Drive Electronics

IDEA
IDEF
iDEN
IDF
IDIS
IDL
IDoc
IDS
IE
IEAK
IEC
IEEE
IETF
iFCP
IG
IGMP
IGP
iHT2
IIOP
IIS
IKE
ILEC
ILM
IM
IMA
IMAP
IMCS
IMEI
IMHO
IMS
IMS
IMS
IMS
IMT
IMTI
IN

International Data Encryption Algorithm
Integrated Definition
Integrated Digital Enhanced Network
interface device
Integrated Disbursement and Information System
interface definition language
intermediate document
intrusion detection system
Internet Explorer
Internet Explorer Administration Kit
International Electrotechnical Commission
Institute of Electrical and Electronics Engineers
Internet Engineering Task Force
Internet Fibre Channel Protocol
Inspector General
Internet Group Management Protocol
Interior Gateway Protocol
Institute for Health Technology Transformation
Internet Inter-ORB Protocol
Internet Information Server
Internet Key Exchange
incumbent local exchange carrier
information life cycle management
infrastructure management
inverse multiplexing over ATM
Internet Message Access Protocol
Inventory Management and Control System
International Mobile Equipment Identity
in my humble opinion
Intelligent Manufacturing Systems
IP Multimedia Subsystem
Information Management System
Intelligent Manufacturing Systems
International Mobile Telephone
Integrated Manufacturing Technology Initiative
Intelligent Network

Intel VT
InterNIC
IOPS
IOS
IoT
IoT botnet
IoT security
IOTP
IOV
IP address
IP core
IP PBX
IP spoofing
IP telephony
IPAM
IPC
IPC
IPI
IPL
IPLC
IPM
IPMI
IPO
IPP
IPPD
IPPP
IPR
IPS
IPsec
IPT
IPTV
IPv6
IPX
IR
IR wireless
IRC

Virtualization Technology
Internet Network Information Center
Input/ Output Operations Per Second
Input/ Output Supervisor
Internet of Things
Internet of Things botnet
Internet of Things security
Internet Open Trading Protocol
I/ O virtualization
Internet Protocol Address
intellectual property core
private branch exchange
IP address forgery or a host file hijack
Internet Protocol telephony
IP address management
Institute for Interconnecting and Packaging Electronic Circuits
interprocess communication
Intelligent Peripheral Interface
initial program load
international private leased circuit
intelligent power management
Intelligent Platform Management Interface
initial public offering
Internet presence provider
Integrated Product and Process Development
Internet presence provider and promoter
Intellectual Property Rights
In-Plan Switching
Internet Protocol Security
Integrated Product Team
Internet Protocol television
Internet Protocol Version 6
Internetwork Packet Exchange
infrared radiation
infrared wireless
Internet Relay Chat

IrDA
IRI
IRIS
IRM
IRP
IRQ
IRR
IRTF
IRU
IS
IS
ISA
ISA Server
ISAM
ISAPI
ISBN
iSCSI
iSCSI target
ISDN
ISE
IS-IS
ISO
ISO 8327
ISO/ IEC24734
ISP
ISPF
ISR G2
ISRC
ISRS
ISSU
ISV
ISV
IT
IT audit
IT director

Infrared Data Association
Industrial Research Institute
Internet Routing in Space
Integrated Resource Management
incident response plan
interrupt request
internal rate of return
Internet Research Task Force
Indefeasible Right of Use
Information System
information system or information services
Industry Standard Architecture
Internet Security and Acceleration Server
Indexed Sequential Access Method
Internet Server Application Program Interface
International Standard Book Number
Internet Small Computer System Interface
Internet Small Computer System Interface target
Integrated Services Digital Network
Cisco Identity Services Engine
Intermediate System-to-Intermediate System protocol
International Standards Organization
ITU X.225
International Standards Organization/ International Electrotechnical
Commission
Internet service provider
Interactive System Productivity Facility
Cisco Integrated Service Routers Generation 2
International Standard Recording Code
information storage and retrieval system
in-service software upgrade
Independent Software Vendor
independent software vendor
information technology
information technology audit
information technology director

IT MOOSE management
ITA
ITAA
ITaaS
ITAC
ITIL
IT-ISAC
ITS
ITS
ITS
ITSM
ITSO
ITSS
ITU
ITU
ITU-T
IV
IVR
IXC
J2EE
J2ME
JAAS
JAD
JANET
JAQL
JAR file
JAX-RPC
JAX-WS
JBI
JBIG
JBOD
JCE
JCL
JDBC
JDBCConnector

maintain and operate the organization, systems and equipment
Information Technology Agremeement
Information Technology Association of America
IT as a Service
International Telework Association and Council
Information Technology Infrastructure Library
Information Technology Information Sharing and Analysis Center
issue tracking system
Intelligent Transportation System
Internet Transaction Server
IT Service Management
International Technical Support Organization
Information Technology Solutions Shop
International Technical Union
International Telecommunication Union
Telecommunication Standardization Sector of the International
Telecommunications Union
initialization vector
Interactive Voice Response
interexchange carrier
Java 2 Platform, Enterprise Edition
Java 2 Platform, Micro Edition
Java Authentication and Authorization Service
Joint Application Development
Joint Academic Network
json query language
Java ARchive
Java API for XML-Based RPC
Java API for XML Web Services
Java Business Integration
Joint Bi-level Image Experts Group
just a bunch of disks or just a bunch of drives
Java Cryptography Extension
job control language
Java Database Connectivity
Java Database Connectivity Connector

JDK
JDO
JEDECSDRAM
JeOS
JES
JFC
JHTML
JICmanufacturing
JIT
JIT
JIT manufacturing
JMS
JMX
JNDI
JOBSAct
JOLAP
JPEG
JRE
JSML
JSON
JSP
JTAPI
JVM
JXTA
K6
KB or Kbyte*
KBA
KBE
Kbps
KBW
KDE
KGD
kHz
KISSPrinciple
KLOC
KM

Java Development Kit
Java Data Objects
Joint Electron Device Engineering Council synchronous DRAM
just enough operating system
Job Entry Subsystem
Java Foundation Classes
Java within Hypertext Markup Language
just-in-case manufacturing
Just In Time
just-in-time compiler
just-in-time manufacturing
Java Message Service
Java Management Extensions
Java Naming and Directory Interface
Jumpstart Our Business Startups Act
Java Online Analytical Processing
Joint Photographic Experts Group
Java Runtime Environment
Java Speech API Markup Language
Javascript Object Notation
Java Server Page
Java Telephony Application Programming Interface
Java virtual machine
juxtaposed
AMD-K6
kilobyte
knowledge-based authentication
Knowledge-Based Engineering
kilobits per second
keyboard wedge
K Desktop Environment
Known Good Die
kilohertz
Keep It Simple, Stupid
thousands of lines of code
knowledge management

KMD
KML
KPI
KPI
KRI
KVM
KVP
KW
kWh
l10n
L2TP
LAMP
LAN
LAR
LATA
LB film
LBA
LBM
LBO
LBS
LC
LCA
LCC
LCC
LCD
LCL
LCL layer
LCP
LCPC
LDAP
LDCM
LDD
LDIF
LDQ
LDSI
LEAP

Kazaa Media Desktop
Keyhole Markup Language
key performance indicator
Key Performance Indicator
key risk indicator
kernel-based Virtual Machine
key-value pair
Knowledge Warehouse
kilowatt-hour
localization
Layer Two Tunneling Protocol
Linux, Apache, MySQL, PHP
local area network
Large Account Reseller
local access and transport area
Langmuir-Blodgett film
logical block addressing
location-based marketing
leveraged buyout
location-based service
Low Cost
Life Cycle Assessment
limited combustible cable
Leadless Chip Carrier
liquid crystal display
Less Than Container Load
Logical Link Control layer
Link Control Protocol
Life Cycle Product Cost
Lightweight Directory Access Protocol
LANDesk Client Manager
locked down device
Lightweight Directory Interchange Format
longest delay in queue
Laboratory Data Sharing Interoperability
Lightweight Extensible Authentication Protocol

LEC
LED
LED TV
LEED
LES
Lex
LHC
LI
LI
LIDB
Li-Ion
LILO
linear IC
LINQ
LISP
live USB
LMDS
LMDS
LMGTFY
LMOF
LMS
LNA
LNP
LOB
LOINC
LOM
LP
LPAR
LPT
LQSR
LRN
LSB
LSI
LTC
LTE
LTE-Advanced

local exchange carrier
light-emitting diode
LED-backlight LCD television
Leadership in Energy and Environmental Design
Logistics Execution System
lexical analyzer generator
Large Hadron Collider
location intelligence
lawful interception
line information database
Lithium Ion battery
LInux LOader
linear integrated circuit
Language Integrated Query
list processing
operating system on a stick
Local Multi-Point Distribution System
Local Multipoint Distribution System
Let Me Google That For You
last mile of finance
learning management system
Local Noise Amplifier
Local Number Portability
line-of-business
Logical Observation Identifiers Names and Codes
lights-out management
Lean Production
logical partition
line print terminal
Link Quality Source Routing
Location Routing Number
Linux Standard Base
Large Scale Integration
longitudinal time code
Long Term Evolution
Long Term Evolution-Advanced

LTFS
LTL
LTO
LU
LUN
LVS
M&A;
M&O;
M&S
M2M
M2M
M3U
MAC
MAC
MACaddress
MAClayer
MAD
MADE
mAh
MAID
malware
MAM
MAM
MAN
MAPI
MAU
MB
MBean
MBone
MBps
Mbps
MBR
MC
MCA
MCA
MCE

Linear Tape File System
Less Than Truckload
Linear Tape-Open
logical unit
logical unit number
Layout Verification Systems
mergers and acquisitions
Management and Operations
Modeling and Simulation
machine-to-machine
machine-to-machine
Moving Picture Experts Group Audio Layer 3 URL
mandatory access control
message authentication code
Media Access Control address
Media Access Control layer
Mobile Active Defense
Manufacturing Automation and Design Exploration
milliampere hour
massive array of idle disks
malicious software
mobile application management
mobile application manager
metropolitan area network
Messaging Application Program Interface
media attachment unit
megabyte
managed bean
Multicast Internet
megabytes per second
millions of bits per second or megabits per second
Master Boot Record
Mass Customization
Microsoft Connectivity Analyzer
Micro Channel Architecture
Microsoft Certified Educator

MCL
MCM
Mcps
MCS
MCSA
MCSD
MCSE
MCSE Private Cloud
MDB
MDD
MDI
MDI/ MDIX
MDM
MDM
MDOP 2012
MDP
MDRAM
MDX
MEAP
MEMS
MEMS
MEO satellite
MEP
MES
MESA
MFA
MFCLibrary
MFP
MFSK
MFT
MFT
MGCP
MHM
MHP
MHz
MIB

Mesh Connectivity Layer
multi-carrier modulation
megachips per second
Manufacturing Control System
Microsoft Certified Solutions Associate
Microsoft Certified Solution Developer
Microsoft Certified Systems Engineer
Microsoft Certified Solutions Expert Private Cloud
multidimensional database
model-driven development
Multiple Document Interface
medium dependent interface/ MDI crossover
master data management
mobile device management
Microsoft Desktop Optimization Pack 2012
Multicast Dissemination Protocol
Multibank Dynamic RAM
multidimensional expressions
mobile enterprise application platform
Micro-electromechanical Systems
micro-electromechanical systems
medium earth orbit satellite
Manufacturing Extension Partnership
Manufacturing Execution System
Manufacturing Execution System Association
multifactor authentication
Microsoft Foundation Class Library
multifunction peripheral
multiple frequency shift keying
managed file transfer
master file table
Media Gateway Control Protocol
VMware vCenter Multi-Hypervisor Manager
Multimedia Home Platform
megahertz
management information base

MIC
MICR
micro VM
Microsoft DCA
Microsoft FIM
Microsoft UE-V
Microsoft USMT
MID
MIDI
MIM
MIME
MIMO
MIPS
MIS
MISO
MLA
MLC
MMC
MMC
MMC
MMDS
MME
MMI
MMIS
MMP
MMS
MMS
MMU
MO
mobile BaaS
Mobile IPv6
mobile IT
mobile VPN
moblog
MOF
MOL

microwave integrated circuit
magnetic ink character recognition
micro virtual machine
Microsoft DirectAccess Connectivity Assistant
Microsoft Forefront Identity Manager
User Experience Virtualization
User State Migration Tool
mobile Internet device
Musical Instrument Digital Interface
mobile information management
Multi-Purpose Internet Mail Extensions
multiple input, multiple output
million instructions per second
management information systems
multiple input, single output
mobile location analytics
multi-level cell
mobile-to-mobile convergence
MultiMediaCard
Microsoft Management Console
Multichannel Multipoint Distribution Service
MIM
Man Machine Interface
Maintenance Management Information System
multichassis multilink PPP
Multimedia Messaging Service
Manufacturing Message Specification
memory management unit
magneto-optical drive
mobile Backend as a Service
MIPv6 or Mobile Internet Protocol version 6
mobile information technology
mobile virtual private network
mobile blog
Microsoft Operations Framework
middle of life

MOLAP
MOM
MOOC
MOS
MOSFET
MOSPF
MOSS
MOU or MoU
MOVE
MP3
MPEG
MPEG standards
MPI
MPI
MPIO
MPLS
mPOS
MPP
MPPE
MPS
MPS
MRAM
MRI
MR-IOV
mrouter
MRP
MRP II
MrSID
mSATA SSD
MSAU
MSBF
MSCMDM
MSCS
MS-DOS
MSDS
MSE

multidimensional online analytical processing
Manufacturing operation management
massive open online course
mean opinion score
metal-oxide semiconductor field-effect transistor
Multicast Open Shortest Path First
Microsoft Office SharePoint Server
memorandum of understanding
Aruba's Mobile Virtual Enterprise
MPEG-1 Audio Layer-3
Moving Picture Experts Group
Moving Picture Experts Group
message passing interface
master patient index
Multipath I/ O
Multiprotocol Label Switching
mobile point of sale
massively parallel processing
Microsoft Point-to-Point Encryption
Master Production Schedule
managed print services
magnetoresistive random access memory
magnetic resonance imaging
Multi-Root IOV
multicast router
Manufacturing Resource Planning
Manufacturing resource planning
Multi-resolution Seamless Image Database
mSATA solid-state drive
multistation access unit
mean-swap-between-failure
Microsoft System Center Mobile Device Manager
Microsoft Cluster Server
Microsoft Disk Operating System
Material Safety Data Sheet
Microsoft Security Essentials

MSP
MSP
MSP platform
MSRP
MSS
MSS
MSS
MSSP
MT
MTBF
MTO
Mtops
MTPOD
MTS
MTS
MTS
MTTR
MTTR
MTU
MUA
MUD
Multics
MULTOS
mutex
MV
MVA
MVC
MVMC
MVNO
MVP
MVS
MX record
NaaS
NAC
NACHA
NAHIT

managed service provider
management service provider
managed service provider platform
Message Session Relay Protocol
managed security services
mobile satellite services
maximum segment size
managed security service provider
medical transcription
mean time between failures
Make To Order
million theoretical operations per second
maximum tolerable period of disruption
medical transcription software
Make To Stock
Microsoft Transaction Server
Mean Time To Restore
mean time to repair
maximum transmission unit
mail user agent
Multi-User Dungeon
Multiplexed Information and Computing Service
Multiple Operating System
mutual exclusion object
machine vision
Microsoft Virtual Academy
model-view-controller
Microsoft Virtual Machine Converter
mobile virtual network operator
Microsoft Most Valuable Professional
Multiple Virtual Storage
Mail Exchange record
network-as-a-service
network access control
National Automated Clearing House Association
National Alliance for Health Information Technology

NAK
NAP
NAP
NAS
NAS
NASDAQ
NAT
NBA
NBAD
NBAR
NBMA
NC
NCA
NCFA
NCM
NCMS
NCSC
NCVHS
NDA
NDIS
NDMP
NDS
near CDP
NECP
NED
NEDSS
NEOSSat
NERC
NERCCIP
nested VM
NetBEUI
NetBIOS
NetPC
Net-SNMP
NeXT
Nexus 1000V

negative acknowledgment or not acknowledged
Microsoft Network Access Protection
network access point
network access server
network-attached storage
National Association of Securities Dealers Automated Quotations
Network Address Translation
network behavior analysis
network behavior anomaly detection
Network Based Application Recognition
non-broadcast multiple access
network computer
native cloud application
National Call Fee Access
network configuration management
National Center for Manufacturing Sciences
National Computer Security Center
National Committee on Vital and Health Statistics
non-disclosure agreement
Network Driver Interface Specification
Network Data Management Protocol
Novell Directory Services
near-continuous data protection
National Emergency Communications Plan
nano-emissive display
National Electronic Disease Surveillance System
Near Earth Object Surveillance Satellite
North American Electric Reliability Corporation
critical infrastructure protection
nested virtual machine
NetBIOSExtended User Interface
Network Basic Input/ Output System
Network PC
Net Simple Network Management Protocol
near-end crosstalk
Cisco Nexus 1000V

NFC
NFR
NFS
NFTS
NFV
NGFW
NGO
NGSCB
NHII
NHIN
NHRP
NI
Ni2
NIAP
NIC
NIChandle
Ni-Cd or NiCd
Nicira NVP
NIH
Ni-MH or NiMH
NIS
NIST
NIST
NJE
NLM
NLP
NMTA
NNI
NNM
NNTP
no op
NOC
NOS
NoSQL
NPD
NPE

Near Field Communication
not for resale
Network File System
national file tracking system
network functions virtualization
next-generation firewall
non-governmental organization
Next Generation Secure Computing Base
National Health Information Infrastructure
Nationwide Health Information Network
Next Hop Resolution Protocol
network intelligence
Net indexer 2
National Information Assurance Partnership
network interface card
Network Information Center handle
Nickel-Cadmium battery
Nicira Network Virtualization Platform
National Institutes of Health
Nickel-Metal Hydride battery
Network Information System
National Institute of Standards and Technology
National Institute of Standards and Technology
Network Job Entry
National Library of Medicine
natural language processing
National Machining and Tooling Association
National Nanotechnology Initiative
Network Node Manager
Network News Transfer Protocol
no operation
network operations center
network operating system
Not Only SQL
product development or new product development
non-practicing entity

NPI
NPI
NPIV
NPV
NQF
NRLA
NRZ
NSA
NSAP
NSAPI
NSIS
NSP
NT1
NTBackup
NTFS
NTP
NTR
NTS
NTSC
NTU
NUI
NUMA
NURBS
NUS
NVGRE
NVLAP
NVMe
NVS
NWR
OA&M
OAB
OASIS
OASIS
OBI
OCC
OCM

national provider identifier
New Product Introduction
N_Port ID virtualization
Net present value
National Quality Forum
National Labor Relations Board
non-return-to-zero
National Security Agency
Network Service Access Point
Netscape Server Application Programming Interface
Next Steps in Signaling
network service provider
network terminator 1
Microsoft Windows NT backup
NT file system; sometimes New Technology File System
Network Time Protocol
Normal Trade Relations
Number Translation Service
National Television Standards Committee
nuclear time unit
natural user interface
non-uniform memory access
nonuniform rational B-spline
network unified storage
Network Virtualization using Generic Routing Encapsulation
National Voluntary Laboratory Accreditation Program
non-volatile memory express
nonvolatile storage
NOAA Weather Radio
operations, administration, and management
offline address book
Organization for the Advancement of Structured Information Standards
Organization for the Advancement of Structured Information Standards
Open Buying on the Internet
Office of the Comptroller of the Currency
organizational change management

OCNCC
OCR
OCR
OCSP
OCW
OCx
ODBC
ODCA
ODF
ODI
ODIN
ODIN
ODL
ODM
ODMA
ODMR
ODP
ODS
ODS
ODX
OEBF
OECD
OEE
OEM
OEM
OFB
OF-Config
OFDM
OFPP
OGSA
OHA
OID
OLA
OLAP
OLE
OLE DB

Oracle Communications Network Charging and Control
Office for Civil Rights
optical character recognition
Online Certificate Status Protocol
MIT OpenCourseWare
Optical Carrier levels
Open Database Connectivity
Open Data Center Alliance
Open Document Format
Open Data-Link Interface
Open Data Center with an Interoperable Network
Open Device Identification Number
Open and Distance Learning
Original Design Manufacturer
Open Document Management API or Application Program Interface
On-Demand Mail Relay
Open Directory Project
Ozone Depleting Substance
operational data store
Offloaded Data Transfer
Open Electronic Book Forum
Organization for Economic Cooperation and Development
Original Equipment Effectiveness
Original Equipment Manufacturer
original equipment manufacturer
output feedback
OpenFlow Configuration and Management Protocol
orthogonal frequency-division multiplexing
Office of Federal Procurement Policy
Open Grid Services Architecture
Open Handset Alliance
object ID
operational level agreement
online analytical processing
Object Linking and Embedding
OLEDB or Object Linking and Embedding Database

OLED
OLPC
OLT
OLTP
OLTP
OMAP
OMB
OMB
OMG
OMSS
ONF
OODBMS or ODBMS
OoOE
OOP
OOP
OOPSLA
OOXML
OPAC
OPAC
OPC
OpenGL
OpenNMS
OpenVPN
Opex
OPM
OPML
OPS
OPT
OR
ORB
ORBS
ORM
OS
OSA
OSBI
OSD

light-emitting diode
One Laptop Per Child
optical line terminal
On Line Transaction Processing
online transaction processing
Open Multimedia Application Platform
Office of Management and Budget
Office of Management and Budget
Object Management Group
Oracle Mobile Security Suite
Open Networking Foundation
object-oriented database management system
out-of-order execution
Out Of Production
object-oriented programming
Object-Oriented Programming Systems, Languages and Applications
Office Open Extended Markup Language
Online Public Access Catalog
Online Public Access Catalog
OLE for Process Control
Open Graphics Library
Open Network Management System
open source virtual private network
operational expenditure
operational performance management
Outline Processor Markup Language
Open Profiling Standard
Optimized Production Technology
operations research
Object Request Broker
Open Relay Behavior-modification System
object-relational mapping
operating system
Open System Authentication
open source business intelligence
object storage device

OSDL
OSF
OSGi
OSGi
OSHA
OSHA
OSI
OSP
OSP
OSPF
OSS
OSS
OSS
OTA
OTA update
OTC
OTCor O2C
OTCR
OTFT
OTM
OTP
OTTO protocol
OU
OVSDB
OWA
OWASP
OWD
P versus NP
P&L;
P2P
P2P
P2P botnet
P2P network
P2V
P3P
P3P

Open Source Development Labs
Open Software Foundation
Open Service Gateway Initiative
Open Service Gateway Initiative
Occupational Safety and Health Administration
Occupational Safety and Health Administration
Open Systems Interconnection
online service provider
Open Settlement Protocol
Open Shortest Path First
open source software
Online Service System
operational support system
Over the Air
over-the-air update
On-Time delivery to Commit date
order to cash
On-Time delivery performance to Customer Request Date
organic thin-film transistor
Optivity Telephony Manager
one-time password
OUCH To Trade Options
organizational unit
Open vSwitch Database Management Protocol
Microsoft Outlook Web App
Open Web Application Security Project
OneWebDay
polynomial versus nondeterministic polynomial
profit and loss statement
procure to pay
path to profitability
peer-to-peer botnet
peer-to-peer network
physical to virtual
Platform for Privacy Preferences Project
Platform for Privacy Preferences

P4
P4P
PA
PaaS
PABX
PAC
PACS
PACS
PA-DSS
PAIR
PAL
Palm OS
PAM
PAM
PAN
PAN truncation
PAP
PAR
PARC
PAT
PBD
PBT
PBX
PC
PC
PC100 SDRAM
PCAOB
PCB
PC-DOS
PCE
PCEP
PCI
PCI compliance
PCI DSS
PCI-X
PCL

Pentium 4
proactive provider participation for P2P
Power Amplifier
Platform as a Service
private automatic branch exchange
Production Activity Control
picture archiving and communication system
Personal Access Communications System
Payment Application Data Security Standard
Policy Analysis of Internet Routing
Phase Alternation Line
Palm Operating System
partner account manager
pulse amplitude modulation
personal area network
primary account number
Packet-Level Procedure
performance and accountability reporting
Palo Alto Research Center
Port Address Translation
physical block device
Persistent, Bioaccumulative and Toxic
private branch exchange
project charter
personal computer
PC100 Synchronous Dynamic Random Access Memory
Public Company Accounting Oversight Board
printed circuit board
Personal Computer - Disk Operating System
Path Computation Element
Path Computation Element Protocol
Peripheral Component Interconnect
payment card industry compliance
Payment Card Industry Data Security Standard
Peripheral Component Interconnect Extended
Printer Control Language

PCM
PCM
PCMCIA
PCRF
PCS
PCS
PDA
PDF
PDL
PDM
PDP-11
PDU
PEAP
PEBCAK
pel
personal VM
PERT chart
PF
pF/ m
PFC
PGP
PHDSC
PHI
PHOLED
PHP
PHP
PHR
PHS
PI
PI
PIA
PIC
PICK chart
PICS
PICTIVE

pulse code modulation
phase-change memory
Personal Computer Memory Card International Association
Policy and Charging Rules Function
personal cloud storage
personal communications service
personal digital assistant
Portable Document Format
page description language
Product Data Management
Programmed Data Processor-11
power distribution unit
Protected Extensible Authentication Protocol
problem exists between chair and keyboard
picture element
personal virtual machine or PVM
Program Evaluation Review Technique
prefetch folder
picofarad per meter
power factor correction or power factor controller
Pretty Good Privacy
Public Health Data Standards Consortium
personal health information
phosphorescent organic light-emitting device
Personal Home Page
Hypertext Preprocessor
personal health record
Personal Handyphone System
Principal Investigator
Predictive Index
privacy impact assessment
port interface card
Possible, Implement, Challenge and Kill chart
Platform for Internet Content Selection
Plastic Interface for Collaborative Technology Initiatives through Video
Exploration

PID
PIFI
PII
PIM
PIM
PIM
PIM
P-Ink
PIO
PIP
PIP
PIP box
PIV
PKCS
PKI
pk-pk
PL/ S
PL/ SQL
PLATO
PLC
PLEDM
PLL
PLM
PLMN
PM
PMI
PML
PMML
PMO
PMP
PMS
PN
pNFS
PNG
PnP
POC

Problem Identification Document
personally identifiable financial information
personally identifiable information
processing in memory
Product Information Management
protocol-independent multicast
privileged identity management
photonic ink
Programmed Input/ Output
Partner Integration Process
Picture in Picture
picture in picture box
personal identity verification
Public-Key Cryptography Standards
public key infrastructure
peak-to-peak
Programming Language/ System
procedural language extension to Structured Query Language
Programmed Logic for Automatic Teaching Operations
packet loss concealment
phase-state low electron drive memory
phase-locked loop
Product Lifecycle Management
public land mobile network
phase modulation
plus, minus, interesting
Portal Markup Language
Predictive Model Markup Language
Project Management Office
Project Management Professional
package manager or package management system
programmable network
Parallel NFS
Portable Network Graphics
Plug and Play
proof of concept

POC
pocket PC
PoE
PoIP
POLP
polymer LED
POM
PON
POP
POP3
PoR
POS
POS
POSterminal
POSIX
POST
POTS
PP&E
PPD
PPD
PPD file
PPGA
ppi
PPM
PPM
PPP
PPPoE
PPTP
PR
PR
PRI
PRM
PRNG
PROM
PRONet
PRS

Packet Order Correction
pocket personal computer
Power over Ethernet
Pray over Internet Protocol
principle of least privilege
light-emitting polymer or polyLED
Production/ Operations Management
passive optical network
point-of-presence
Post Office Protocol 3
power-on reset
Point of Sale
personal operating space
point-of-sale terminal
Portable Operating System Interface
Power-On Self-Test
plain old telephone service
Property, Plant & Equipment
post-processing deduplication
parallel presence detect
Postscript Printer Description file
plastic pin grid array
pixels per inch
project and portfolio management
pages per minute
Point-to-Point Protocol
Point-to-Point Protocol over Ethernet
Point-to-Point Tunneling Protocol
Process Reengineering
public relations
Primary Rate Interface
partner relationship management
pseudo-random number generator
programmable read-only memory
Procurement Marketing and Access Network
Personal Response System

PRS
PRSA
PRT
PSA
PSK
PSN
PSOD
PSS
PSTN
PTAC
PTF
PTO
PTT
PU
PUE
PUP
PV Cell
PV glass
PVC
PVM
PVR
PWS
PXE
PXE
QA
QA
QAM
QB
QBE
QC
QC
QDOS
QFE
QFE
QFP
qHD

Premium Rate Service
Public Relations Society of America
Pre-requisite Tree
professional services automation
phase-shift keying
processor serial number
Purple Screen of Death
Personal Search Syndication
public switched telephone network
Procurement Technical Assistance Center
program temporary fix
Patent and Trademark Office
Push to Talk
physical unit
power usage effectiveness
potentially unwanted program
photovoltaic cell
photovoltaic glass
permanent virtual circuit
Parallel Virtual Machine
personal video recorder
Personal Web Server
Preboot Execution Environment
Preboot Execution Environment
Quality Assurance
quality assurance
quadrature amplitude modulation
Quality Breakdown
Query by Example
Quality Control
quality control
86-DOS
Quad FastEthernet
Quick Fix Engineering
Quad Flat Package
quarter high definition

QIX
QoE or QoX
QoS
QPS
QR
QR code
QSA
QSIG
QVGA
QXGA
R&D
R3
RA
RAC
RACE
RACF
RAD
rad/ s or rad/ sec
radar
RADIUS
RAF
RAID
RAID 0
RAID 1
RAID 3
RAIN
RAM
RAMAC
RAMDAC
RAND
RAP
RARP
RAS
RAS
RAS
RASAPI

NASDAQ Information Exchange protocol
Quality of Experience
Quality of Service
queries-per-second
Quick Response
quick response code
Qualified Security Assessor
Q signaling
Quarter Video Graphics Array
Quantum Extended Graphics Array
Research and Development
Reduce, reuse, recycle
registration authority
Real Application Cluster
Rapid Access Computing Environment
Resource Access Control Facility
rapid application development
radian per second
radio detection and ranging
Remote Authentication Dial-In User Service
risk assessment framework
redundant array of independent disks
disk striping
disk mirroring
redundant array of independent disks
redundant/ reliable array of inexpensive/independent nodes
random access memory
random access method of accounting and control
random access memory digital-to-analog converter
reasonable and nondiscriminatory
Revenue Acquisition Process
Reverse Address Resolution Protocol
registration, admission, and status
Reliability, Availability and Serviceability
row address strobe
Remote Access Server Application Program Interface

RASHport
RAT
RBA
RBAC
RBOC
RCE
RCP
RD
RDBMS
RDC
RDF
RDF
RDM
RDMA
rDNS
RDO
RDP
RDRAM
RDS
RDS
RDS
RDT&E
REC
ReFS
regex
RELAX NG
Remoting
REST
RF, rf, orr.f.
RFC
RFC
RFI
RFID
RFM analysis
RFO
RFP

Routing and Special Handling
remote access Trojan
risk-based authentication
role-based access control
regional Bell operating company
remote code execution
Rich Client Platform
running disparity
relational database management system
remote deposit capture
Resource Description Framework
Resource Description Framework
raw device mapping
Remote Direct Memory Access
reverse DNS
Remote Data Objects
Remote Desktop Protocol
Rambus Dynamic Random Access Memory
Amazon Relational Database Service
Radio Data System
Remote Desktop Services
Research, Development, Testing & Evaluation
Regional Extension Center
Resilient File System
regular expression
RELAX Next Generation
PowerShell Remoting
representational state transfer
radio frequency
Remote Function Call
Request for Comments
request for information
radio frequency identification
recency, frequency, monetary
Request for Offer
request for proposal

RFQ
RFR
RGB
RHCVA
RHEL
RHEV
RHIA
RHIO
RHIT
RHS
RIA
RIAA
RIBLOE
RID
RIM
RIM
RIP
RIP
RIR
RIS
RIS
RISC
RJE
rlogin
RMA
RMA
RMI
RMON
RMS
RNAAPP
RNIS
ROA
ROADM
ROC
ROD
RODC

request for quotation
Red Flags Rule
red, green, and blue
Red Hat Certified Virtualization Administrator
Red Hat Enterprise Linux
Red Hat Enterprise Virtualization
registered health information administrator
Regional Health Information Organization
registered health information technician
Red Hat Storage
Rich Internet Application
Recording Industry Association of America
Remote Insight Board -- Lights Out Edition
relative identifier
records information management
Reference Information Model
Routing Information Protocol
raster image processor
Regional Internet Registry
Remote Installation Service
Radiology Information System
reduced instruction set computer
Remote Job Entry
remote login
Return Material (or Merchandise) Authorization
return merchandise authorization
Remote Method Invocation
Remote Network Monitoring
root-mean-square
Remote Network Access Application
Reseau Numerique a Integration de Services
resource-oriented architecture
reconfigurable optical add-drop multiplexer
Report on Compliance
reuse-oriented model or reuse-oriented development
read-only domain controller

RoHS Directive
ROI
ROI
ROIC
ROKSO
ROLAP
ROM
ROMI
RONA
ROP
RoR or Rails
RoT
ROU
ROWE
RPC
RPG
RPG
RPM
RPM
RPO
RPO
RPR
RPT
RQ
RRAM
RSAT
RSC
RSI
RSNA
RSoP
RSVP
RT
RTA
RTC
RTC
RTCD

Restriction of Hazardous Substances Directive
Return On Investment
return on investment
Return On Invested Capital
Register of Known Spam Operations
relational online analytical processing
read-only memory
return on marketing investment
Return On Net Assets
Reorder Point
Ruby on Rails
Roots of Trust
Record Of Understanding
Results-Only Work Environment
Remote Procedure Call
Report Program Generator
role-playing game
remote patient monitoring
Rapid Response Manufacturing
recruitment process outsourcing
recovery point objective
Resilient Packet Ring
rich presence technology
risk intelligence
resistive RAM
Microsoft Remote Server Administration Tools
Retail Service Center
requirements stability index
Radiological Society of North America
Resultant Set of Policy
Resource Reservation Protocol
retweet
real-time application
real-time communications
real-time clock
real-time communications dashboard

RTCP
RTD
RTD
RTF
RTLS
RTM
RTO
RtOI
RTOS
RTP
RTSP
RTT
RUP
RWU
RZ
S&OP;
S.773
S.M.A.R.T.
S/ MIME
S/ N or SNR
S/ PDIF
S/ PDIF
S4L
SA
SA
SA
SAA
SaaS
SaaS
SaaS
SaaSBI
SaaSERP
SACD
SAFE
SAM
SAM

Real-Time Transport Control Protocol
Research and Technical Development
reconfigurable tactile display
Rich Text Format
real-time location system
Read The Manual
recovery time objective
real-time operational intelligence
real-time operating system
Real-Time Transport Protocol
Real Time Streaming Protocol
round-trip time
Rational Unified Process
remote wakeup
return-to-zero
sales and operations planning
Cybersecurity Enhancement Act of 2009
Self-Monitoring Analysis & Reporting Technology
Secure Multi-Purpose Internet Mail Extensions
signal-to-noise ratio
Sony/ Philips Digital Interface
Sony/ Philips Digital Interface
spam for life
service assurance
Microsoft Exchange System Attendant
Microsoft Software Assurance
Systems Application Architecture
Software as a Service
Security as a Service
Storage as a Service
Software as a Service BI
software-as-a-service ERP hosting
Super Audio CD
Samsung for Enterprise
Security Accounts Manager
storage area management

SAML
Samsung GN
SAN
SAP XI
SAPI
SAPPHIRE
SAR
SAR
SAS
SAS70
SASID
SATA II
SAX
SB-1386
SBAs
SBC
SBIR contract
SBR
SC
SC
SCA
SCADA
SCC
SCCP
SCE
SCEM
SCI
SCL
SCM
SCOR
SCORM
SCP
SCP
SCR
SCSA
SCSI

Security Assertion Markup Language
Samsung Galaxy Note
storage area network
SAP Exchange Infrastructure
Speech Application Program Interface
SAP User Conference
Suspicious Activity Report
segmentation and reassembly
serial-attached SCSI
Statement on Auditing Standards No. 70
Self-Scanned Amorphous Silicon Integrated Display
SATA 2
Simple API for XML
California Security Breach Information Act
search-based applications
session border controller
Small Business Innovative Research contract
skill-based routing
sunk cost
supply chain
service-component architecture
supervisory control and data acquisition
Supply Chain Council
Signalling Connection Control Part
supply chain execution
supply chain event management
serial communications interface
spam confidence level
Supply Chain Management
Supply Chain Operations Reference model
Shareable Content Object Reference Model
supply chain planning
session control protocol
Synchronized Customer Response
Signal Computing System Architecture
Small Computer System Interface

SCSI
SCSI controller
SCSIe
SCTP
SCV
SD card
SD2
SD2
SDA
SDARS
SDB
SDDC
SDDL
SDH
SDI
SDK
SDL
SDLC
SDLC
SDMA
SDN
SDN controller
SDN overlay
SDO
SDP
SDR
SDRAM
SDTV
SDWT
SDX
SDXC
SEC
SEC
SECAM
SED TV
SEI

Small Computer System Interface
Small Computer System Interface controller
SCSI Express
Stream Control Transmission Protocol
supply chain visibility
Secure Digital card
Sound Designer II
Sound Designer II or SDII
SAP Smart Data Access
satellite radio or Satellite Digital Audio Radio Service
Small Disadvantaged Business
software-defined data center
Security Descriptor Definition Language
Synchronous Digital Hierarchy
Serial Digital Interface
software developer's kit
Specification and Description Language
systems development life cycle
Synchronous Data Link Control
spatial division multiple access
software-defined networking
software-defined networking controller
software defined networking overlay
Service Data Objects
Session Description Protocol
software-defined radio
synchronous DRAM
standard definition television
self-directed work team
NetScaler
Secure Digital Extended Capacity card
Securities and Exchange Commission
Securities and Exchange Commission
Sequential Couleur avec Memoire
surface-conduction electron-emitter display television
Software Engineering Institute

SEM
SEO
SerDes
Serial ATA
SERP
SET
SETI
SEWP
SFA
SFA
SFA
SFF
SFP
SFS
SFX
SGA
SGF
SGI
SGML
SGRAM
shadow IT
S-HTTP
SI
Si
SID
SIEM
SIG
SIG
SIGTRAN
SIM
SIMD
SIMM
SIMM
SIMO
SIMPLE
Simputer

single-electron memory
search engine optimization
serializer/ deserializer
Serial Advanced Technology Attachment or SATA
search engine results page
Secure Electronic Transaction
Search for Extraterrestrial Intelligence
NASA Solutions for Enterprise-Wide Procurement
Sales Force Automation
single-factor authentication
sales force automation
small form factor
small form-factor pluggable
stepless frequency control
special effects
Selling, General and Administrative expenses
Structured Graph Format
Silicon Graphics
Standard Generalized Markup Language
Synchronous Graphics RAM
shadow information technology
Secure HTTP
systems integrator
silicon
security identifier
security information and event management
Special Interest Group
Special Interest Groups
Signaling Transport
security information management
Single Instruction Multiple Data
Service Integration Maturity Model
single in-line memory module
single input, multiple output
SIP for Instant Messaging and Presence Leveraging Extensions
simple inexpensive mobile computer

SIP
SIP trunking
SIPOCdiagram
SIRDS
SISO
SIV
SJC
SKA
SKIL Bill
SKU
SKU
SLA
SLC
SLD
SLICE
SLIP
SLP
SMART
SMB
SMB 3.0
SMB protocol
SMBXML
SMDS
SME
SME
SMF
SMF
SMIL
SMI-S
SMiShing
SMM
SMMS
SMP
SMPTE
SMR
SMS

Session Initiation Protocol
Session Initiation Protocol trunking
suppliers, inputs, process, outputs, customers
single-image random-dot stereogram
single input, single output
Signal Integrity Verification
Senate Judiciary Committee
Shared Key Authentication
Securing Knowledge, Innovation and Leadership Act
Stock Keeping Units
stockkeeping unit
service-level agreement
single level cell
second-level domain
Simple Low-Cost Innovative Engine
Serial Line Internet Protocol
Service Location Protocol
Self Monitoring Analysis and Reporting Technology
small and medium-sized business or small and midsized business
Server Message Block 3.0
Server Message Block Protocol
Small Business Extensible Markup Language
Switched Multimegabit Data Service
Society of Manufacturing Engineers
small to medium enterprise
Standard MIDI File
Standard MIDI File
Synchronized Multimedia Integration Language
Storage Management Initiative Specification
SMSphishing
social media marketing
Social media management software
symmetric multiprocessing
Society of Motion Picture and Television Engineers
Specialized Mobile Radio
Short Message Service

SMSspam
SMSC
SMTP
SMWT
SNA
SNAFU
SNG
SNMP
SNOMED CT
SOA
SOAP
SOC
SoC
Soc 1
Soc 2
Soc 3
SoCtesting
social BPM
SoD
SOFC
SOHO
SOI
SOI
SOLED
SoLoMo
SOM
SoMoClo
SONET
SOP
SOP
SOPA
SOR
SoS
sosofo
SOW
SOW

cell phone spam or short messaging service spam
short message service center
Simple Mail Transfer Protocol
Self Managed Work Teams
Systems Network Architecture
situation normal, all f* * * ed up
satellite news gathering
Simple Network Management Protocol
Systematized Nomenclature of Medicine -- Clinical Terms
service-oriented architecture
Simple Object Access Protocol
switch-on-a-chip
system-on-a-chip
Service Organization Control 1
Service Organization Control 2
Service Organization Control 3
system-on-a-chip testing
business process management
segregation of duties
solid oxide fuel cell
Small Office Home Office
Silicon-on-Insulator
service-oriented integration
stacked organic light-emitting device
social, local and mobile
service-oriented management
social, mobile and cloud
Synchronous Optical Network
Sales and Operations Planning
Same Origin Policy
Stop Online Piracy Act
system of record
system of systems
specification of a sequence of flow objects
statement of work
Statement of Work

SOX
SP1
SPAC
SPARC
SPC
SPD
SPEC
SPF
SPI
SPI model
SPICE
SPID
SPIF
SPIT
SPM
SPM
SPML
SPOF
spool
SPS
SPX
SQL
SQL Server PDW
SQuID
SRAM
SRE
SRI
SR-IOV
SRM
SRM
SRM
SRM
SRM
SRS
SRT
SRTP

Sarbanes-Oxley Act
Exchange Server 2013 Service Pack 1
special purpose acquisition company
Scalable Processor Architecture
Statistical Process Control
serial presence detect
Standard Performance Evaluation Corporation
Sender Policy Framework
serial peripheral interface
SaaS, PaaS, IaaS
Software Process Improvement and Capability dEtermination
Service Profile Identifier
sales performance incentive fund
spam over Internet telephony
sales performance management
Standard Process Modules
Services Provisioning Markup Language
single point of failure
simultaneous peripheral operations online
Standard Procurement System
Sequenced Packet Exchange
Structured Query Language
Microsoft SQL Server Parallel Data Warehouse
Source Quench Introduced Delay
static random access memory
serious reportable event
SRI International
Single Root I/ O Virtualization
sustainability risk management
Standard Reference Material
supplier relationship management
VMware vSphere Site Recovery Manager
storage resource management
software requirements specification
Source-route transparent
Secure Real-Time Transport Protocol or Secure RTP

SS7
SSA
SSADM
SSD
SSD
SSD purge
SSH
SSH Charter
SSI
SSI
SSID
SSL
SSL
SSL card
SSL checker
SSL VPN
SSM
SSO
SSP
SSS
SSSPTS
SSSI
SST
SSTV
STAR
STARS
statC
statF
statH
statS
statV
statW
STDM
STEM
STEP
STM

Signaling System 7
Serial Storage Architecture
Structured Systems Analysis & Design Method
client solid state drive
solid-state drive
solid state drive purge
Secure Shell
Secure Shell Charter
server-side include
single-system image
service set identifier
Secure Sockets Layer
solid-state lighting
server accelerator card
secure socket layer checker
Secure Sockets Layer virtual private network
solid state module
single sign-on
storage service provider
solid state storage
Solid State Storage Performance Test Specification
SNIA Solid-State Storage Initiative
Streamlined Sales Tax
slow-scan television
Security, Trust and Assurance Registry
Standard Accounting and Reporting System
statcoulomb
statfarad
stathenry
statsiemens
statvolt
statwatt
statistical time division multiplexing
science, technology, engineering, and mathematics
Standard for the Exchange of Product model data
scanning tunneling microscope

STML
STONITH
STP
STP
STUN
Sun ONE
SVC
SVC
SVC
SVG
S-Video
SVVP
SWAG
SWAN
SWIFT
SWIFT
SWOT
SWOT analysis
sysadmin
sysop
T & Esoftware
T&M
T/ R
T-1
T9
TA
TaaS
TACACS
TACT
TAPI
TAPI
tar
TB
TCAM
TCB
TCG

Spoken Text Markup Language
Shoot The Other Node In The Head
spanning tree protocol
standard temperature and pressure
Simple Traversal of UDP through NAT
Sun Open Net Environment
supervisor call
switched virtual circuit
scalable video coding
Scalable Vector Graphics
Super-Video, Y/ C Video, component video
server virtualization validation program
Semantic Web Agreement Group
Structured Wireless-Aware Network
Simulated Work Input and Flow Time
Society for the Worldwide Interbank Financial Telecommunication
Strengths, Weakness, Opportunity and Threats Analysis
strengths, weaknesses, opportunities and threats analysis
system administrator
system operator
travel and expense software
Tools and Methodology
Transmit / Receive
T1
text on nine keys
terminal adapter
Testing as a Service
Terminal Access Controller Access Control System
Total Average Cycle Time
Telephony Application Program Interface
Telephony Application Program Interface
Tape ARchive
terabyte
ternary content-addressable memory
trusted computing base
Trusted Computing Group

Tcl
Tcl/ Tk
TCM
TCO
TCP
TCP/ IP
TDC
TDD
TDD
TDL-4
TDM
TDM
TDMA
TD-SCDMA
Teen Buzz
telco
TETRA
TEWE
TFT
TFTP
TGT
THz
TIA
TiBook
TIC
TIFF
TIG
TIM
TIN number
Tk
TKIP
TL;DR
TLA
TLCflash
TLD
TLS

Tool Command Language
Tool Command Language
Time Critical Manufacturing
total cost of ownership
Transmission Control Protocol
Transmission Control Protocol/ Internet Protocol
Total Delivered Cost
Telecommunications Display Device
test-driven development
TDSSor Alureon
Team Data Manager
time-division multiplexing
time division multiple access
time division synchronous code division multiple access
Mosquito teen repeller
telephone company
Terrestrial Trunked Radio
Technology for Enterprise-Wide Engineering
thin-film transistor
Trivial File Transfer Protocol
authentication ticket or ticket-granting ticket
terahertz
Total Information Awareness
Titanium
Trusted Internet Connections
Tag Image File Format
Technology Implementation Group
Test Inspection Measurement
taxpayer Identification number
Tool Kit
Temporal Key Integrity Protocol
tl;dr
Three Letter Acronym
triple level cell flash
top-level domain
Transport Layer Security

TM software
TMN
TMQL
TMS
TN display
TOC
TOE
TOE
TOGAF
TOLED
TOP
Topic Map
TOPS
TOTP
TP
TP0-TP4
TPA
TPC
TPI
TPM
TPM
TPOP
TPS
TQC
TQM
TQM
TrackPoint
TRI
TRILL
TRON
TRT
TSAP
TSCA
T-SQL
TSR
TTL

talent management software
Telecommunications Management Network
Topic Map Query Language
Transportation Management System
twisted nematic display
Theory of Constraints
TCP/ IP offload engine
unified field theory or Theory of Everything
The Open Group Architecture Framework
transparent organic light-emitting device
Technical Office Protocol
ISO/ IEC Standard 13250:2000
Team Oriented Problem Solving
time-based one-time password
thin provisioning
transport protocols 0 to 4
Technology and Product Assurance
Transaction Processing Performance Council
Total Profit Improvement
Total Productive Maintenance
Trusted Platform Module
Time-Phased Order Point
terminal proxy server
Total Quality Control
Total Quality Management
Total Quality Management
pointing stick
Toxic Release Inventory
Transparent Interconnection of Lots of Links
The Real-Time Operating System Nucleus
Transition Tree
Transport Services Access Point
Toxic Substances Control Act
Transact-SQL
terminate and stay resident
time-to-live

TTL
TTS
TtV
TTY
TURN
TVA
TW
TWG
TWT
type I error
type II error
UART
UAT
UBE
UBL
UC
UCaaS
UCE
UCS
UDA
UDDI
UDF
UDID
UDO
UDP
UEFI
UGC
UHDTV
UHDV
UHF
UI
UIA
UID
UIML
ULA
Ultra DMA

transistor-to-transistor logic
text-to-speech
time to value
teletypewriter
Traversal Using Relay NAT
Throughput Value Added
tin whiskers
Technology Working Group
traveling-wave tube
false rejection
false acceptance
Universal Asynchronous Receiver/ Transmitter
user acceptance testing
unsolicited bulk email
Universal Business Language
Unit Cost
Unified Communications as a Service
unsolicited commercial email
unified computing system
Universal Data Access
Universal Description, Discovery, and Integration
Universal Disk Format
unique device identifier
ultra density optical
User Datagram Protocol
Unified Extensible Firmware Interface
user-generated content
Ultra High-Definition TV
ultra high definition video
ultrahigh frequency
user interface
user installed application
unique identifier
User Interface Markup Language
Oracle Unlimited License Agreement
UDMA or Ultra DMA/ 33

UM server
UMLS
UMS
UMTS
UMTS
UNC
UPN
UPnP
UPS
URI
URL
URL poisoning
URL rewriting
URN
USART
USB
USB 3.0
USGCB
USITC
USP
USSD
USSS
UTC, GMT, CUT
UTF-16
UTM
UUCP
UUID
UX
UXGA
V/ m
V2P
V2V
VA
VAAI
VAD
VAD

unified messaging server
Unified Medical Language System
unified messaging system
Universal Mobile Telecommunications System
Universal Mobile Telecommunications Service
Universal Naming Convention
User Principal Name
Universal Plug and Play
uninterruptible power supply
Uniform Resource Identifier
Uniform Resource Locator
location poisoning
URL manipulation
Uniform Resource Name
Universal Synchronous/ Asynchronous Receiver/ Transmitter
Universal Serial Bus, USB 3.0, SuperSpeed USB
SuperSpeed USB
United States Government Configuration Baseline
United States International Trade Commission
unique selling point
Unstructured Supplementary Service Data
United States Secret Service
Coordinated Universal Time
16- bit Unicode Transformation Format
unified threat management
UNIX-to-UNIX Copy Protocol
Universal Unique Identifier
user experience
Ultra Extended Graphics Array
volt per meter
virtual to physical
Virtual to virtual
volt-ampere
vStorage APIs for Array Integration
Value Added Distribution
voice activation detection

VAL IT
VAMP
VAN
VAR
VAR
VAR agreement
VASA
VAX
VB
VB.NET or VB .NET
VBI
VBN
vBNS
VBR
VC
vCAC
VCB proxy
VCD
VCDX
vCLI
VCP
VCP
vCPU
VCR
VCSEL
vCSHB
VDA
vDGA
VDI
VDT
VDU
VE
Verizon VERIS
Vertical SaaS
VESA VL bus
VFAT

value from IT investments
vStorage API for Multipathing
value-added network
Value-Added Reseller
value-added reseller
value-added reseller agreement
vStorage APIs for Storage Awareness
Virtual Address eXtension
Visual Basic
Visual Basic .NET
vertical blanking interval
visitor-based networking
very high-speed Backbone Network Service
Vouch by Reference
venture capital
VMware vCloud Automation Center
VMware Consolidated Backup proxy
video CD or video compact disc
VMware certified design expert
vSphere CLI
VMware Certified Professional
VMware Capacity Planner
virtual CPU
videocassette recorder
vertical cavity surface emitting laser
VMware vCenter Server Heartbeat
Virtual Desktop Access
Virtual Dedicated Graphics Acceleration
virtual desktop infrastructure
video display terminal, visual display terminal
video display unit
Value Engineering
Vocabulary for Event Recording and Incident Sharing
Software as a Service
VESA Local Bus
Virtual File Allocation Table

VFIIP
VFS
vGPU
VHD
VHDCI
VHDX
VHE
VHF
VHS
VI3
VIM
Vim
Vine
Vint Cerf
Viper
virtual ISP
vishing
VITC
VK
VLAN
VLAN hopping
VLDB
VLE
VLER
VLIW
vlog
VLSI
VLSM
VM
VM
VMBus
VMDK file
VMEbus
VMI
VML
VML

Virtual Factory Information Interchange Project
virtual file system
virtual GPU
virtual hard disk
Very High Density Cable Interconnect
Hyper-V virtual hard disk
Virtual Home Environment
very high frequency
Video Home System
VMware Infrastructure 3
Vendor Independent Messaging
Vi improved
Vine app
Vinton Gray Cerf
Transaction Server
virtual Internet service provider, VISP or vISP
voice or VoIP phishing
vertical interval time code
VKontakte
virtual LAN
virtual local area network hopping
Very Large Database
virtual learning environment
Virtual Lifetime Electronic Record
very long instruction word
video blog
Very Large Scale Integration
variable-length subnet mask
virtual machine
virtual machine
Microsoft Virtual Machine Bus
virtual machine disk file
VersaModular Eurocard bus
Vendor Managed Inventory
Vector Markup Language
vector graphics rendering

VMLM
VMM
VMO
V-Model
VMQ
VMS
VMUG
VMware DRS
VMware EVC
VMware OVF Tool
VMware vCAT
VMware vCMA
VMware VDPA
VMware vFRC
VMware VMCI
VMware VMFS
VMware vMSC
VMware VSAN
VMXNET3
VNC
vNUMA
VOB
VOC
VoD
voice ID
VoIP
VOIPSA
VOVA
VoWLAN
VoxML
VP
VPD
VPD
VPDM
VPLS
VPM

virtual machine lifecycle management
virtual machine monitor
vendor management office
Vee-Model
Virtual Machine Queue
Virtual Memory System
VMware User Group
Distributed Resource Scheduler
VMware Enhanced vMotion compatibility
VMware Open Virtualization Format Tool
VMware vCloud Architecture Toolkit
VMware vCenter Mobile Access
VMware vSphere Data Protection Advanced
VMware vSphere Flash Read Cache
VMware Virtual Machine Communication Interface
Virtual Machine File System
VMware vSphere Metro Storage Cluster
VMware Virtual SAN
VMXNET Generation 3
virtual network computing
virtual NUMA
Versioned Object Base
voice of the customer
video on demand
voice authentication
voice over IP
Voice over IP Security Alliance
vSphere OpenStack Virtual Appliance
Voice over WLAN
Voice Markup Language
value proposition
virtual private database
vital product data
Virtual Product Data Management
virtual private LAN service
Virtual Product Model

VPN
VPS
VRAM
VRF
VRM
VRM
VRML
VRML
VRRP
VSA
VSA
VSAM
VSAN
VSAT
VSB
VSE
VSM
VSMP
VSP
VSP
VSPP
VSTO
VSTS
VTAM
VTL
VUM
VXLAN
VXLAN gateway
W2K
W32/ Rjump
W3C
WAAS
WaaS
WAE
WAF
WAFS

virtual private network
virtual private server
video RAM
virtual routing and forwarding
vendor risk management
voltage regulator module
Virtual Reality Modeling Language
Virtual Reality Modeling Language
Virtual Router Redundancy Protocol
virtual storage appliance
virtual SAN appliance
Virtual Storage Access Method
virtual storage area network
Very Small Aperture Terminal
vestigial sideband
Visual Studio Express
virtual systems management
virtual symmetric multiprocessing
vertical solutions provider
Virtual Storage Portal
VMware Service Provider Program
Visual Studio Tools for Office or Microsoft Visual Studio Tools
Visual Studio Team System
Virtual Telecommunications Access Method
virtual tape library
VMware vSphere Update Manager
Virtual Extensible LAN
Virtual Extensible VLAN gateway
Windows 2000
RavMonEvirus
World Wide Web Consortium
Wide Area Application Services
Windows as a Service
Wide Area Ethernet
write amplification factor
wide-area file services

WAG
WAIS
WAN
WAP
WAPI
WARN
WASC
WASP
WaSP
WATS
WAX
WBEM
WBI
WBMP
WBS
WBS
W-CDMA
WCET
WCF
WCM
WCM
WCS
WCS
WDF
WDM
WDS
WDS
WDSC
WDT
Web hosting
Webcasting
WebDAV
WebOps
WebRTC
WEEE
WEP

estimate
Wide Area Information Servers
Wide Area Network
Wireless Application Protocol
WLAN Authentication and Privacy Infrastructure
Workers' Adjustment and Retraining Notification Act
Web Application Security Consortium
wireless application service provider
Web Standards Project
wide-area telephone service
Wireless Abstract XML
Web-Based Enterprise Management
Web Intermediaries
Wireless Bitmap
Work Breakdown Schedule
work breakdown structure
Wideband Code-Division Multiple Access
worst-case execution time
Windows Communication Foundation
web content management
World Class Manufacturing
Warehouse control system
Wireless Communications Service
web development framework
wavelength-division multiplexing
wireless distribution system
Windows Deployment Services
WebSphere Development Studio Client
watchdog timer
Webhosting, Web site hosting, and hosting
push technology
World Wide Web Distributed Authoring and Versioning
Web operations
Web Real-Time Communications
Waste Electrical and Electronic Equipment Regulation
Wired Equivalent Privacy

WF or WinWF
WFM
WfM
WFO
WFQ
WGA
WGate
Wh
WHATWG
WHQL
WiBB
WIC
WiDEN
Wi-Fi finder
WIM
WiMAX
WIMP
WIMP
WinAMP
WinChip
WinDirStat
Windows 9x
Windows Azure
Windows Me
Windows NT
Windows Vista
Wine
WinFS
WinFX
WinPE
WinRM
WINS
WIP
wireless ISP
wireless WAN
WME

Windows Workflow Foundation
Workforce management
Wired for Management
workforce optimization
weighted fair queueing
Windows Genuine Advantage
Web gateway
watt-hour
Web Hypertext Application Technology Working Group
Windows Hardware Quality Labs
wireless broadband
WAN interface card
Wideband Integrated Digital Enhanced Network
Wi-Fi signal finder, Wi-Fi seeker or Wi-Fi locator
Windows Imaging Format
Worldwide Interoperability for Microwave Access
Woefully Inept Manufacturing Process
windows, icons, mouse, and pull-down menus
Windows Audio MPEG Player
WinChip C6
Windows Directory Statistics
Windows 95 or Windows 98
Microsoft Azure
Millenium Edition
backup domain controller
registry virtualization
Wine is not an emulator
Windows File System
.NET 3.0
Microsoft Windows Preinstallation Environment
Windows Remote Management
Windows Internet Naming Service
Work in Process
wireless Internet service provider or WISP
Wireless Wide Area Network
World's Most Ethical

WMF
WMI
WMIC
WML
WMM
WMN
WMP
WMS
WMTS
WORA
Work Folders
WORM
WPA
WPA
WPAD
WPAN
WPAS
WPF
WRAM
WRAM
writable DVD
WS2012
WS-AT
WSCI
WS-Coordination
WSD
WSDL
WSFC
WS-I Organization
WSP
WS-Policy
WSS
WS-Security
WS-Trust
WSTx
WSUS

Microsoft Windows Management Framework
Windows Management Instrumentation
Windows Management Instrumentation Command line
Wireless Markup Language
Wi-Fi Multimedia
wireless mesh network
Windows Media Player
Warehouse Management System
wireless medical telemetry services
write once, run anywhere
Windows Server 2012 R2
write once, read many
Wi-Fi Protected Access
Windows Product Activation
Web Proxy Autodiscovery
wireless personal area network
Windows Process Activation Service
Windows Presentation Foundation
Window RAM
Window RAM
recordable DVD
Windows Server 2012
WS-AtomicTransaction
Web Service Choreography Interface
Web Services Coordination
white space device
Web Services Description Language
Windows Server Failover Clustering
Web Services Interoperability
wireless service provider
Web Services Policy Framework specifications
Windows Sharepoint Services
Web Services Security
Web Services Trust Language
Web Services Transactions
Windows Server Update Services

WTLS
WTO
WTS
WUE
WUSB
WWN
WWW
WYSIWYG
WYSIWYP
X
X or XWindows
X9
XaaS
XACML
XAM
XAML
XBRL
XCCDF
XDMA
X-engineering
XFDL
XGA and XGA-2
XHTML
XMI
XML
XML
XML infoset
XMPP
XMT
XNS
XORP
XP
XPRL
XQL
XrML
XSD

Wireless Transport Layer Security
World Trade Organization
Terminal Server product or Microsoft Windows Terminal Server
water usage effectiveness
wireless USB
World Wide Name
World Wide Web
what you see is what you get
what you see is what you print
compact disc access time
X Window System
ASC X9
anything as a service
Extensible Access Control Markup Language
eXtensible Access Method
Extensible Application Markup Language
Extensible Business Reporting Language
Extensible Configuration Checklist Description Format
Xing Distributed Media Architecture
cross-engineering
Extensible Forms Description Language
Extended Graphics Array
Extensible Hypertext Markup Language
XML Metadata Interchange
Atom
Extensible Markup Language
XML information set
Extensible Messaging and Presence Protocol
Extensible MPEG-4 Textual
Extensible Name Service
Extensible Open Router Platform
Extreme Programming
Extensible Public Relations Language
XML Query Language
Extensible Rights Markup Language
XML Schema Definition

XSL
XSLT
XSRF or CSRF
XSS
XST
XUL
Y2K
yacc
Yagi antenna
YMS
YUM
Zbot
ZBR
ZBT
ZIF socket
Zope
ZRTP
ZV port

Extensible Stylesheet Language
XSL Transformations
cross-site request forgery
cross-site scripting
cross-site tracing
Extensible User-interface Language
year 2000
yet another compiler compiler
Yagi-Uda array
yard management system
Yellowdog Updater, Modified
Zeus Trojan
zoned-bit recording
zero-based thinking
Zero Insertion Force socket
Z Object Publishing Environment
Zimmermann Real-Time Transport Protocol
Zoomed Video port

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