Question

a hard disk is made up of a collection of discs known as ​

Answer 1

Answer:

A hard disk drive platter (or disk) is the circular disk on which magnetic data is stored in a hard disk drive. The rigid nature of the platters in a hard drive is what gives them their name (as opposed to the flexible materials which are used to make floppy disks).

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Answer 2

Answer:

Dish drive, hard drive, hard disk drive