The physical register file is used in: MCQ with Answer and Explanation

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The physical register file is used in:

A. Basic scalar processors

B. No modern CPU

C. Memory controllers

D. Register renaming implementations

Answer: Option D

Solution (By JKSSB Mock Tests)

Larger than architectural registers.

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

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Practice More CPU (Central Processing Unit) Questions

Question #1

Which helps in debugging CPU issues?

A. Performance Monitoring Counters (PMCs)

B. Only visual inspection

C. Keyboard input

D. Screen resolution

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Correct Answer: Option A

Explanation:
Hardware counters for profiling.

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

Question #2

A CPU's process node size (like 7nm) refers to:

A. Manufacturing technology affecting density and efficiency

B. Number of pins

C. Cache size

D. Clock speed

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Correct Answer: Option A

Explanation:
Smaller nodes allow more transistors and lower power.

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

Question #3

The memory ordering model in x86 is:

A. No ordering

B. Strongly ordered with some relaxations

C. ARM style

D. Weakly ordered always

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Correct Answer: Option B

Explanation:
Ensures consistency.

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

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