Question

differentiate between hard disk and cd rom​

Answer 1

1) Hard disk : It is an electro mechanical data storage device. Information remains intact even after switching off the computer. 2) CD ROM : It is a pre-pressed optical compact disk that stores data. It stands for Compact Disk : Read Only Memory.

Answer 2

Answer:

Hard disk :-

It is an electro mechanical data storage device. Information remains intact even after switching off the computer.

CD ROM :-

It is a pre-pressed optical compact disk that stores data. It stands for Compact Disk : Read Only Memory.