What is the full form of CPU in computer hardware? MCQ with Answer and Explanation

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What is the full form of CPU in computer hardware?

A. Computer Personal Unit

B. Central Power Unit

C. Central Processing Unit

D. Control Processing Unit

Answer: Option C

Solution (By JKSSB Mock Tests)

CPU stands for Central Processing Unit, which is the brain of the computer responsible for processing instructions.

This question belongs to: Computer Computer Hardware

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Question #1

The main reason for using multiple fans in a PC case is:

A. Power saving

B. Aesthetics only

C. Noise reduction

D. Improved airflow and cooling

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Correct Answer: Option D

Explanation:
Prevents thermal throttling.

This question belongs to: Computer Computer Hardware

Question #2

What is the main disadvantage of CRT monitors compared to LCD?

A. Poor color accuracy

B. Lower resolution

C. Higher cost

D. Bulkier and heavier

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Correct Answer: Option D

Explanation:
CRT monitors are bulkier due to the cathode ray tube technology.

This question belongs to: Computer Computer Hardware

Question #3

OLED burn-in is mitigated by:

A. Higher brightness

B. No mitigation needed

C. Pixel shift and screen savers

D. Static images

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Correct Answer: Option C

Explanation:
Usage precautions.

This question belongs to: Computer Computer Hardware

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