What is 'power gating' in processors? MCQ with Answer and Explanation

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What is 'power gating' in processors?

A. Shutting off unused parts to save power

B. Increasing voltage

C. Display control

D. Memory management

Answer: Option A

Solution (By JKSSB Mock Tests)

Energy efficiency.

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Question #1

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What does 'TBW' rating indicate for SSDs?

A. Thermal Bandwidth

B. Total Bytes Width

C. Temporary Backup Write

D. Terabytes Written endurance

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Correct Answer: Option D

Explanation:
Lifespan measure for flash memory.

This question belongs to: Computer Computer Hardware

Question #2

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The main advantage of DDR RAM over SDR is:

A. Double data rate for higher bandwidth

B. Higher latency

C. Less capacity

D. Lower speed

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Correct Answer: Option A

Explanation:
Performance improvement.

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Question #3

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The technology behind modern touchscreens is primarily:

A. Surface acoustic wave

B. Infrared

C. Capacitive

D. Resistive

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Correct Answer: Option C

Explanation:
Capacitive touchscreens are common in smartphones and tablets.

This question belongs to: Computer Computer Hardware

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