The Memory Address Register (MAR) holds: MCQ with Answer and Explanation

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The Memory Address Register (MAR) holds:

A. The address of memory location

B. Control signals

C. The data to be written

D. The result of ALU

Answer: Option A

Solution (By JKSSB Mock Tests)

MAR contains the address for memory read or write operations.

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

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The fetch width in superscalar CPUs refers to:

A. Cache line

B. Number of instructions fetched per cycle

C. Register size

D. Data bus width

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Correct Answer: Option B

Explanation:
Affects instruction throughput.

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

Question #2

The predictor in branch prediction can be:

A. Software irrelevant

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Correct Answer: Option C

Explanation:
Dynamic uses history for accuracy.

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

Question #3

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A. No security

B. Slower processing

C. Protected execution environment

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Correct Answer: Option C

Explanation:
Isolated from the rest of the system.

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

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