Question

what are concentric circles on a hard drive?​

Answer 1

A group of concentric circles (tracks) define a single surface of a disks platter. Early hard disks had just a single one-sided platter, while today's hard disks are comprised of several platters with tracks on both sides, all of which comprise the entire hard disk capacity.

Answer 2

Answer:

A group of concentric circles (tracks) define a single surface of a disks platter. Early hard disks had just a single one-sided platter, while today's hard disks are comprised of several platters with tracks on both sides, all of which comprise the entire hard disk capacity.

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