The contrast ratio in monitors indicates: MCQ with Answer and Explanation

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The contrast ratio in monitors indicates:

A. Difference between brightest and darkest

B. Color count

C. Refresh rate

D. Resolution

Answer: Option A

Solution (By JKSSB Mock Tests)

Higher is better for depth.

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What is the role of a DMA controller?

A. Audio mixing

B. Graphics only

C. CPU intensive tasks

D. Direct data transfer bypassing CPU

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Correct Answer: Option D

Explanation:
Efficiency in I/O.

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Question #2

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What is SIMD in CPU architecture?

A. Serial processing

B. Memory only

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Correct Answer: Option D

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Vector processing.

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What is the purpose of a printer's fuser unit?

A. Bond toner to paper with heat and pressure

B. Store ink

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Correct Answer: Option A

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