Modern wireless mice use which frequency band? MCQ with Answer and Explanation

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Modern wireless mice use which frequency band?

A. 2.4 GHz or Bluetooth

B. 5 GHz only

C. Infrared

D. AM radio

Answer: Option A

Solution (By JKSSB Mock Tests)

Low latency options available.

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Question #1

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What is the main advantage of liquid cooling over air cooling?

A. Lower cost

B. Easier installation

C. No maintenance

D. Better heat dissipation for high-end CPUs

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Correct Answer: Option D

Explanation:
For overclocking and quiet operation.

This question belongs to: Computer Computer Hardware

Question #2

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The number of bits processed by CPU at a time is called:

A. Clock cycle

B. Bus width

C. Word size

D. Byte size

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Correct Answer: Option C

Explanation:
Word length or bus width, e.g., 64-bit processor.

This question belongs to: Computer Computer Hardware

Question #3

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What is the benefit of modular power supplies?

A. Slower power delivery

B. Better cable management and efficiency

C. Lower cost always

D. No difference

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Correct Answer: Option B

Explanation:
Reduces clutter in PC cases.

This question belongs to: Computer Computer Hardware

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