The main reason for using multiple fans in a PC case is: MCQ with Answer and Explanation

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

A. Noise reduction

B. Power saving

C. Aesthetics only

D. Improved airflow and cooling

Answer: Option D

Solution (By JKSSB Mock Tests)

Prevents thermal throttling.

This question belongs to: Computer Computer Hardware

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Which pointing device uses a ball for movement detection?

A. Stylus

B. Optical mouse

C. Trackball

D. Touchpad

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Correct Answer: Option C

Explanation:
User moves the ball.

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Question #2

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What does the ' multiplier ' in CPU refer to?

A. Cache size

B. Memory size

C. Core count

D. Clock multiplier for overclocking

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Correct Answer: Option D

Explanation:
Affects final clock speed.

This question belongs to: Computer Computer Hardware

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What type of device is a webcam?

A. Storage device

B. Output device

C. Input device

D. Processing device

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Correct Answer: Option C

Explanation:
Webcam captures video input for the computer.

This question belongs to: Computer Computer Hardware

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