question_answer

Which of the following is hardware?

A)  Excel   

B)  Printer Driver

C)  Operating System

D)  Power Point 

E)  CPU

Correct Answer: E

Solution :

[e] Computer hardware refers to the physical parts of a computer such as the monitor, mouse, keyboard, computer data storage, hard disk drive  (HDD), system unit (graphic) cards, sound cards, CPU, etc. The CPU (Central Processing Unit) performs most of the calculations which enable a computer to function, and is sometimes referred to as the "brain" of the computer.