Adaptive voltage and frequency scaling (AVFS) optimizes: MCQ with Answer and Explanation

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Adaptive voltage and frequency scaling (AVFS) optimizes:

A. Fixed settings

B. Per core or per die power-performance

C. Maximum voltage

D. No scaling

Answer: Option B

Solution (By JKSSB Mock Tests)

Dynamic adjustment.

This question belongs to: Computer CPU (Central Processing Unit)

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Question #1

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Which helps in debugging CPU issues?

A. Only visual inspection

B. Screen resolution

C. Keyboard input

D. Performance Monitoring Counters (PMCs)

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Correct Answer: Option D

Explanation:
Hardware counters for profiling.

This question belongs to: Computer CPU (Central Processing Unit)

Question #2

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Cache line size is typically:

A. 1024 bytes

B. 8 bytes

C. 1 byte

D. 64 bytes

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Correct Answer: Option D

Explanation:
Unit of transfer between cache levels.

This question belongs to: Computer CPU (Central Processing Unit)

Question #3

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The decode stage may involve:

A. Complex decoding for variable length instructions

B. ALU computation

C. No decoding

D. Simple fixed length only

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Correct Answer: Option A

Explanation:
In x86 especially.

This question belongs to: Computer CPU (Central Processing Unit)

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