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The disk drives in your computer allow you to store data on disk,

and then retrieve and use your stored data. This section explains

how disks work and tells you how to:

Use different types of diskettes and diskette drives

Care for your diskettes and diskette drives

 Write-protect diskettes

Use a single diskette drive system

Insert and remove diskettes

 Format diskettes

 Make backup copies

Use a hard disk drive.

Diskettes are made of flexible plastic coated with magnetic

material. This plastic is enclosed in a square jacket that is either

slightly flexible (5 1/4-inch diskette), or hard (3 1/2-inch diskette).

Unlike a diskette, a hard disk is rigid and fixed in place. It is

sealed in a protective case to keep it free of dust and dirt. A hard

disk stores data the same way that a diskette does, but it works

much faster and has a much larger storage capacity.

All disks are divided into data storage compartments by sides,

tracks, and sectors. Double-sided diskettes store data on both

sides. On each side are concentric rings, called tracks, on which

a disk can store data.

Using Your computer

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