What does refresh rate indicate in monitors? MCQ with Answer and Explanation

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What does refresh rate indicate in monitors?

A. Number of pixels

B. How many times screen is redrawn per second

C. Power consumption

D. Color depth

Answer: Option B

Solution (By JKSSB Mock Tests)

Measured in Hz, higher reduces flicker (e.g., 144Hz).

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Which printer setting affects the quality vs speed trade-off?

A. Orientation

B. Print quality mode (draft, normal, best)

C. Color mode

D. Paper size

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Correct Answer: Option B

Explanation:
Higher quality slower.

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Question #2

What is a key benefit of unified memory architecture?

A. Slower performance

B. Higher cost

C. Shared memory between CPU and GPU

D. Separate always

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Correct Answer: Option C

Explanation:
Used in some integrated systems.

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Question #3

A common resolution for business projectors is:

A. Only 4K

B. VGA only

C. XGA or WXGA

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Correct Answer: Option C

Explanation:
Suitable for presentations.

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