Question

Hard disk is made up of collection of disks known as ________

Answer 1

A hard disk is part of a unit -- often called a disk drive, hard drive or hard disk drive -- that stores and provides relatively quick access to large amounts of data on an electromagnetically charged surface or set of surfaces. 

Answer 2

Hello mate

here's your answer

________________

Hard disk is made up of collection
of number of disks known as hard disk drive.

_________________

Thanks