The concept of 'dark silicon' refers to: MCQ with Answer and Explanation

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The concept of 'dark silicon' refers to:

A. Unused portions of chip due to power constraints

B. Cache memory

C. External connectors

D. Faulty transistors

Answer: Option A

Solution (By JKSSB Mock Tests)

Power limits prevent using all transistors at full speed.

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

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Practice More CPU (Central Processing Unit) Questions

Question #1

The term 'IPC' in CPU performance stands for:

A. Internal Processing Cache

B. Instructions Per Cycle

C. Integrated Peripheral Controller

D. Input Per Core

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Correct Answer: Option B

Explanation:
Higher IPC means better efficiency per clock.

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

Question #2

Which extension provides hardware encryption acceleration?

A. FMA

B. AES-NI

C. SSE4

D. AVX only

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Correct Answer: Option B

Explanation:
Speeds up AES algorithms.

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

Question #3

The write-through cache policy:

A. Updates cache only

B. Reads data

C. Updates both cache and memory simultaneously

D. Never updates memory

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Correct Answer: Option C

Explanation:
Ensures consistency but may increase traffic.

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

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