The retirement queue tracks: MCQ with Answer and Explanation

The retirement queue tracks:

A. Fetched only

B. Instructions in flight for in-order commit

C. Decoded uops

D. Memory requests

Answer: Option B

Maintains correctness.

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

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Question #1 Report Error

Adaptive voltage and frequency scaling (AVFS) optimizes:

A. Per core or per die power-performance

B. Fixed settings

C. No scaling

D. Maximum voltage

Correct Answer: Option A

Explanation:
Dynamic adjustment.

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

Question #2 Report Error

The load/store architecture restricts memory access to:

A. Control unit

B. ALU only

C. All instructions

D. Dedicated load and store instructions

Correct Answer: Option D

Explanation:
Typical in RISC designs.

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

Question #3 Report Error

Precision Boost Overdrive (PBO) is an AMD feature for:

A. Power saving

B. Cache clearing

C. Aggressive automatic overclocking

D. Core parking

Correct Answer: Option C

Explanation:
Uses extra power headroom.

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