The L2 cache is typically: MCQ with Answer and Explanation

Question

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The L2 cache is typically:

A. Per-core private cache

B. Instruction only

C. Fully shared

D. Slower than L1

Answer: Option A

Solution (By JKSSB Mock Tests)

Balances speed and size.

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

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Question #1

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The concept of 'dark silicon' refers to:

A. External connectors

B. Unused portions of chip due to power constraints

C. Faulty transistors

D. Cache memory

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Correct Answer: Option B

Explanation:
Power limits prevent using all transistors at full speed.

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

Question #2

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Branch misprediction leads to:

A. Increased clock speed

B. Reduced power consumption

C. Pipeline flush and performance loss

D. Better cache hit rate

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Correct Answer: Option C

Explanation:
Wrong prediction requires discarding speculative work.

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

Question #3

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The latency of register access is:

A. 1 clock cycle or less

B. Same as main memory

C. Variable by design

D. Hundreds of cycles

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Correct Answer: Option A

Explanation:
Registers are the fastest storage.

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

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