The Arithmetic Logic Unit (ALU) primarily performs: MCQ with Answer and Explanation

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The Arithmetic Logic Unit (ALU) primarily performs:

A. Storing data permanently

B. Fetching instructions from memory

C. Arithmetic and logical operations

D. Controlling input/output devices

Answer: Option C

Solution (By JKExamLibrary)

ALU executes arithmetic operations like addition and logical operations like AND, OR.

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

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Practice More CPU (Central Processing Unit) Questions

Question #1 Report Error

Which of the following enhances CPU performance without changing architecture?

A. Removing ALU

B. Decreasing registers

C. Increasing cache size

D. Lowering voltage

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Correct Answer: Option C

Explanation:
Larger cache reduces memory access latency.

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

Question #2 Report Error

Heterogeneous computing typically combines:

A. Memory modules

B. Only identical cores

C. Software layers

D. CPU and GPU or specialized accelerators

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Correct Answer: Option D

Explanation:
It optimizes different workloads.

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

Question #3 Report Error

The reservation station holds:

A. Instructions waiting for operands

B. Committed instructions

C. Retired uops

D. Fetched raw

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Correct Answer: Option A

Explanation:
In Tomasulo's algorithm style.

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

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