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Thursday, September 26, 2019

What is the definition and use of hard disk ?

A hard disk drive is popularly known as HDD.
Hard drive is non volatile device


A hard drive disk is an electro-mechanical disk. In the technical term, we are familiar with the name of the non-volatile computer storage device containing magnetic disk that rotates with the high speed. Typically its spin at 5400 to 15000
It is a secondary storage device that saves data permanently.


The hard drive was introduced by IBM . It's being popular by 1960.

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