Which register temporarily holds data being processed by the ALU? MCQ with Answer and Explanation

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Which register temporarily holds data being processed by the ALU?

A. Status Register

B. Address Register

C. Program Counter

D. Accumulator

Answer: Option D

Solution (By JKSSB Mock Tests)

The Accumulator is commonly used to hold operands and results of ALU operations.

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

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Practice More CPU (Central Processing Unit) Questions

Question #1

The von Neumann model uses:

A. Separate data buses only

B. No memory

C. Quantum bits

D. Stored program concept

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Correct Answer: Option D

Explanation:
Instructions and data in same memory.

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

Question #2

Which metric combines clock speed and IPC?

A. Overall performance in benchmarks

B. TDP only

C. Cache hit rate

D. Core temperature

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Correct Answer: Option A

Explanation:
Determines effective speed.

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

Question #3

The Arithmetic Logic Unit (ALU) primarily performs:

A. Controlling input/output devices

B. Storing data permanently

C. Fetching instructions from memory

D. Arithmetic and logical operations

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Correct Answer: Option D

Explanation:
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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