Hard Drive

Hard Disk drive
A device installed in the computer capable of storing large capacity of information.

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How does the hard disk store data?
Data is stored in many 1's and 0's. These binary digits are arranged in different ways to represent different characters. When these are read back by the head the data is retrieved and processed.

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File Systems
A file system is the way in which your computer stores data on the hard disk.
3 • • • type of File System: FAT16 FAT32 NTFS

FAT – File Allocation Table NTFS – New Technology File System

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Connection Types
IDE(ATA) –
Integrated Drive Electronics

• is a standard electronic interface used between a computer motherboard's data paths or bus and the computer's disk storage devices.

SATA –

Serial Advance Technology Attachment

• computer bus has the primary function of transferring data between the motherboard and mass storage devices (such as hard disk drives and optical drives) inside a computer. • SCSI – Small Computer system Interface
- SCSI is most commonly used for hard disks and tape drives, but it can connect a wide range of other devices, including scanners and CD drives.
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IDE

SATA

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Platters – a magnetic data storage surface.

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