During execution phase, the CPU: MCQ with Answer and Explanation

Question Report Error

During execution phase, the CPU:

A. Decodes the opcode

B. Fetches the next instruction

C. Carries out the decoded instruction

D. Stores data in RAM

Answer: Option C

Solution (By JKExamLibrary)

Execution involves performing the actual operation specified by the instruction.

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

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Practice More CPU (Central Processing Unit) Questions

Question #1 Report Error

FMA instruction stands for:

A. Fetch Memory Address

B. Flag Management Algorithm

C. Fast Memory Access

D. Fused Multiply-Add

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Correct Answer: Option D

Explanation:
Performs multiplication and addition in one step.

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

Question #2 Report Error

In CPU, 'retirement' refers to:

A. Decoding phase

B. Committing instruction results to architectural state

C. Memory access

D. Fetching instructions

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Correct Answer: Option B

Explanation:
It completes the instruction lifecycle.

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

Question #3 Report Error

The ALU can perform:

A. Storage only

B. Shift operations in some designs

C. No comparisons

D. Only addition

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Correct Answer: Option B

Explanation:
ALU typically supports arithmetic, logic, and bit manipulation including shifts.

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

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