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Question

Magnetic disks are the most popular medium for ______________.


A
Direct access
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B
Sequential access
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C
Both of above
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D
None of above
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Solution

The correct option is D None of above

Magnetic disks are the most popular medium for None of above.

A magnetic disk is a storage device that uses a magnetization process to write, rewrite and access data. It is covered with a magnetic coating and stores data in the form of tracks, spots and sectors. Hard disks, zip disks and floppy disks are common examples of magnetic disks.

A small hard drive typically has only one platter, but each side of it has a magnetic coating. Bigger drives have a series of platters stacked on a central spindle, with a small gap in between them. The platters rotate at up to 10,000 revolutions per minute (rpm) so the read-write heads can access any part of them.


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