Which register is used to store the return address during subroutine calls? MCQ with Answer and Explanation

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Which register is used to store the return address during subroutine calls?

A. Program Counter

B. Accumulator

C. Flag Register

D. Link Register

Answer: Option D

Solution (By JKExamLibrary)

Link Register (in many architectures) holds the return address.

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 is used for high performance computing?

A. Basic embedded

B. Mobile SoCs

C. Many core CPUs with high bandwidth memory

D. Single core low power

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Correct Answer: Option C

Explanation:
Like in supercomputers.

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

Question #2 Report Error

The load/store architecture restricts memory access to:

A. ALU only

B. All instructions

C. Control unit

D. Dedicated load and store instructions

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Correct Answer: Option D

Explanation:
Typical in RISC designs.

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

Question #3 Report Error

The latency of register access is:

A. 1 clock cycle or less

B. Variable by design

C. Hundreds of cycles

D. Same as main memory

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Correct Answer: Option A

Explanation:
Registers are the fastest storage.

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

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