A portable monitor is useful for: MCQ with Answer and Explanation

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A portable monitor is useful for:

A. Printing

B. Scanning

C. Home desktops

D. Traveling professionals needing extra screen

Answer: Option D

Solution (By JKSSB Mock Tests)

USB-C powered options.

This question belongs to: Computer Computer Hardware

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Question #1

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The purpose of ECC in RAM is to:

A. Reduce cost

B. Increase speed

C. Improve graphics

D. Detect and correct memory errors

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Correct Answer: Option D

Explanation:
Critical for servers.

This question belongs to: Computer Computer Hardware

Question #2

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What does 'duplex' mean in printing context?

A. Double resolution

B. Fast mode

C. Double-sided printing

D. Color only

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Correct Answer: Option C

Explanation:
Eco-friendly.

This question belongs to: Computer Computer Hardware

Question #3

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What causes screen tearing?

A. Color calibration

B. High brightness

C. Mismatch between frame rate and refresh rate

D. Low resolution

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Correct Answer: Option C

Explanation:
V-Sync or adaptive sync technologies fix it.

This question belongs to: Computer Computer Hardware

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