Which of the following enhances CPU performance without changing architecture? MCQ with Answer and Explanation

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Which of the following enhances CPU performance without changing architecture?

A. Removing ALU

B. Increasing cache size

C. Decreasing registers

D. Lowering voltage

Answer: Option B

Solution (By JKSSB Mock Tests)

Larger cache reduces memory access latency.

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

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Practice More CPU (Central Processing Unit) Questions

Question #1

The retire stage in pipeline:

A. Decodes

B. Commits results of executed instructions

C. Executes only

D. Fetches

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Correct Answer: Option B

Explanation:
It ensures in-order completion where necessary.

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

Question #2

The scoreboard in CPU is used for:

A. Addressing

B. Handling data dependencies in dynamic scheduling

C. Clock control

D. Storing data

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Correct Answer: Option B

Explanation:
It tracks instruction status for out-of-order execution.

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

Question #3

The microcode ROM is part of:

A. Registers

B. Control Unit in CISC processors

C. ALU

D. Cache

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Correct Answer: Option B

Explanation:
It translates complex instructions.

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

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