Power gating is a technique to: MCQ with Answer and Explanation

Power gating is a technique to:

A. Increase voltage

B. Add more ALUs

C. Overclock

D. Shut down unused parts of CPU to save power

Answer: Option D

It reduces leakage power in idle sections.

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

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Question #1 Report Error

Which technology allows a single physical core to execute two threads?

A. Simultaneous Multithreading (SMT)

B. Overclocking

C. Cache coherence

D. Multi-core processing

Correct Answer: Option A

Explanation:
SMT improves resource utilization.

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

Question #2 Report Error

Stack Pointer is a type of:

A. Accumulator

B. Data register

C. Address register

D. Status register

Correct Answer: Option C

Explanation:
It points to the top of the stack in memory for function calls.

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

Question #3 Report Error

Integrated memory controller (IMC) reduces:

A. Power efficiency

B. Memory access latency

C. Cache performance

D. Core speed

Correct Answer: Option B

Explanation:
On-die controller.

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