Computer Hardware


 
 
Concept Explanation
 

Computer Hardware

Hardware

Computer Hardware refers to the physical components of a computer that can be seen and touched by the user . By the use of these hardware devices , it made very easy for the computer for processing its data , store and retrieve. Hardware is one of the basic and necessary parts of a computer system .

Hardware includes:

1. Computer Case: A computer case (also known as a computer chassis, cabinet, box, tower, enclosure, housing, system unit or simply case) is an enclosure that contains most of the components of a computer (usually excluding the display, keyboard and mouse).

2. Power Supply: A power supply is installed in the back of the PC case, next to the motherboard. It converts 120 vac (standard house power) into DC voltage that is used by other components in the PC.

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Sample Questions
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Question : 1

The parts of a computer that can be touched and have some weight are called ______________

Right Option : B
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Question : 2

Which of the following are not included in computer hardware?

(i) Motherboard

(ii) Programming Languages

(iii) Operating System

 

Right Option : A
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Question : 3

Which of the following statement is/are incorrect?

(i)  A power supply is installed in the back of the PC case, next to the motherboard.

(ii)  The Computer case is the main circuit board in a PC. It contains all the circuits and components that run the PC.

(iii)  Peripheral devices include both input and output devices.

(iv) Any component of the computer you can see and touch is software.

Right Option : B
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