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Special Edition Using MS-DOS® 6.22, Third Edition by Jim Cooper

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Chapter 6. Understanding Disks and Disk Drives

Understanding the Disk's Magnetic Storage Technique

Early computer hobbyists used everything from discarded paper tape drives to cassette tapes to store files. For a while, Radio Shack sold cassette tapes that didn't have the normal plastic leader at the head of the tape so that computer users didn't have to wind tapes past the leader by hand.

Fortunately, the fastest advances in computer science have revolved around memory and storage. The original IBM PC had two single-sided 5 1/4-inch ...

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