Computers

Published on June 2016 | Categories: Documents | Downloads: 47 | Comments: 0 | Views: 394
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Computer
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Can u define computer??

Input – Keyboard, Mouse, Mike Process Output

Process

Storage Memory – used to store data Primary Memory

RAM – Random Access Memory

Secondary memory

Real hard drive

Output

Speakers

Monitor

Projector

Input Devices

Scanner

Microphone

Joystick

Web camera

Graphics Tablet

Let’s get rid of these devices……….
The Sixth sense……..

Types of Computer based on sizes and power



Personal computer: A small, single-user computer based on a microprocessor.



Workstation: A powerful, single-user computer has a more powerful microprocessor and, in general, a higher-quality monitor.



Minicomputer: A multi-user computer capable of supporting up to hundreds of users simultaneously.



Mainframe: A powerful multi-user computer capable of supporting many hundreds or thousands of users simultaneously.



Supercomputer: An extremely fast computer that can perform hundreds of millions of instructions per second.

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