The refresh rate for standard office monitors is usually: MCQ with Answer and Explanation

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The refresh rate for standard office monitors is usually:

A. 60Hz

B. 30Hz

C. 144Hz

D. 240Hz

Answer: Option A

Solution (By JKSSB Mock Tests)

Sufficient for productivity.

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Question #1

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DDR4 is a type of:

A. Processor

B. Monitor

C. RAM

D. Hard disk

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Correct Answer: Option C

Explanation:
DDR4 is a generation of Synchronous Dynamic RAM.

This question belongs to: Computer Computer Hardware

Question #2

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A MICR reader is specialized for:

A. Photos

B. General documents

C. Banking cheques

D. Barcodes

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Correct Answer: Option C

Explanation:
Magnetic ink characters.

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Question #3

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What does firmware update for monitors typically fix?

A. Hardware failure

B. Physical damage

C. Compatibility, bugs, and features

D. Power supply

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Correct Answer: Option C

Explanation:
Improves performance.

This question belongs to: Computer Computer Hardware

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