Power gating technique turns off: MCQ with Answer and Explanation

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Power gating technique turns off:

A. All cores simultaneously

B. Unused circuit blocks to save leakage power

C. Cache only

D. ALU permanently

Answer: Option B

Solution (By JKSSB Mock Tests)

It improves energy efficiency.

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

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Question #1

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The vector mask in AVX allows:

A. Conditional execution in SIMD

B. Address masking

C. Scalar only

D. No operations

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Correct Answer: Option A

Explanation:
Efficient for predicated operations.

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

Question #2

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Which of the following is a CISC characteristic?

A. Simple pipeline

B. Fixed length instructions

C. Large number of registers

D. Complex multi-cycle instructions

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Correct Answer: Option D

Explanation:
CISC instructions can perform multiple low-level operations.

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

Question #3

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AES-NI is an example of:

A. Memory management

B. Networking

C. Graphics feature

D. Hardware acceleration for encryption

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Correct Answer: Option D

Explanation:
It speeds up cryptographic operations in CPU.

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

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