The ROB (Reorder Buffer) size affects: MCQ with Answer and Explanation

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The ROB (Reorder Buffer) size affects:

A. Power only

B. Address bus

C. How many instructions can be in flight

D. Cache size

Answer: Option C

Solution (By JKSSB Mock Tests)

Larger ROB supports more out-of-order execution.

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

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Question #1

The base clock (BCLK) in Intel systems affects:

A. Storage speed

B. Network interface

C. CPU, memory, and bus frequencies

D. Only GPU

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Correct Answer: Option C

Explanation:
It is the reference frequency.

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

Question #2

CISC stands for:

A. Control Instruction Set Computer

B. Cache Instruction Set Computer

C. Central Integrated System Computer

D. Complex Instruction Set Computer

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Correct Answer: Option D

Explanation:
CISC uses complex multi-step instructions.

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

Question #3

Out-of-order execution is a feature in:

A. Basic CPUs only

B. Only embedded systems

C. Modern advanced processors

D. No processors

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Correct Answer: Option C

Explanation:
It allows reordering instructions for better performance.

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

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