Question

what is hard disk ?​

Answer 1

A piece of hard plastic that is a fixed inside a computer and is used for storing data and program permanently.........

Answer 2

Answer:

Hard disk is an computer device .A Hard Disk ( HDD ) , Hard Disk , Hard Drive , , or fixed disk is an electro - mechanical data storage device that uses magnetic storage to store and retrieve digital data using one or more rigid rapidly rotating platters coated with magnetic material . A hard disk is actually a set of stacked disks , like phonograph records . The hard disks also transmits data back and fourth between the CPU and the disk..

Explanation:

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