Computer Science, asked by kumaranand0950, 7 months ago

3.) How are data read from a magnetic disk?

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Answered by XxxShivuuxxX

14

A magnetic disk drive consists of a number of platters (disks) coated in a magnetic material. They spin at around 7200 rpm . The data is encoded into bits and written onto the surface as a series of changes in the direction of the magnetisation. The data is read by detecting the changes in direction.

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