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

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What is 'power gating' in processors?

A. Increasing voltage

B. Memory management

C. Shutting off unused parts to save power

D. Display control

Answer: Option C

Solution (By JKSSB Mock Tests)

Energy efficiency.

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Question #1

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TN panels in monitors are good for:

A. Wide viewing angles

B. Fast response time in gaming

C. Professional photo editing

D. Color accuracy

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Correct Answer: Option B

Explanation:
TN panels offer speed but poorer angles.

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Question #2

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Dynamic contrast ratio in monitors is:

A. Fixed

B. Adjusted backlight for better perceived contrast

C. Color only

D. Static only

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Correct Answer: Option B

Explanation:
Marketing vs real contrast.

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Question #3

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What feature do many modern printers have for security?

A. Fingerprint only

B. No security

C. Secure print with PIN

D. Open access only

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Correct Answer: Option C

Explanation:
Prevents unauthorized printing.

This question belongs to: Computer Computer Hardware

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