The main purpose of a wrist rest on keyboards is: MCQ with Answer and Explanation

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The main purpose of a wrist rest on keyboards is:

A. Ergonomics to prevent strain

B. RGB effect

C. Increase speed

D. Wireless charging

Answer: Option A

Solution (By JKSSB Mock Tests)

Comfort during long typing.

This question belongs to: Computer Computer Hardware

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Question #1

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Gaming keyboards often feature:

A. No backlighting

B. Small size only

C. Anti-ghosting and macro keys

D. Membrane only

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Correct Answer: Option C

Explanation:
Optimized for performance.

This question belongs to: Computer Computer Hardware

Question #2

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Which connection type supports daisy chaining multiple monitors?

A. DisplayPort

B. DVI-D

C. VGA

D. HDMI ARC only

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Correct Answer: Option A

Explanation:
MST support.

This question belongs to: Computer Computer Hardware

Question #3

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PCIe 5.0 offers:

A. For audio only

B. Same as PCIe 1.0

C. Lower speed

D. Higher bandwidth than previous generations

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Correct Answer: Option D

Explanation:
Future-proofing.

This question belongs to: Computer Computer Hardware

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