The decode stage may involve: MCQ with Answer and Explanation

The decode stage may involve:

A. No decoding

B. ALU computation

C. Simple fixed length only

D. Complex decoding for variable length instructions

Answer: Option D

In x86 especially.

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

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Question #1 Report Error

Advanced topics in 2026 CPU include more emphasis on:

A. Basic functions only

B. Sustainability, AI, and security

C. Analog signals

D. Ignoring heat

Correct Answer: Option B

Explanation:
Modern design priorities.

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

Question #2 Report Error

Superscalar architecture allows:

A. Multiple instructions per cycle

B. Slower execution

C. No pipelining

D. Single instruction per cycle

Correct Answer: Option A

Explanation:
It executes more than one instruction per clock cycle.

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

Question #3 Report Error

The instruction window in out-of-order CPUs refers to:

A. Cache lines

B. Retirement queue

C. Fetch buffer

D. Set of instructions being considered for execution

Correct Answer: Option D

Explanation:
For scheduling.

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