Which register is used to store the result of comparison operations? MCQ with Answer and Explanation

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Which register is used to store the result of comparison operations?

A. Flag Register

B. MAR

C. Program Counter

D. Accumulator

Answer: Option A

Solution (By JKSSB Mock Tests)

Flags indicate results such as zero, carry, overflow.

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

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Question #1

The dispatch buffer holds:

A. Addresses only

B. Instructions ready for execution

C. Fetched but not decoded

D. Committed results

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Correct Answer: Option B

Explanation:
In out-of-order processors.

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

Question #2

Which technology allows a single physical core to execute two threads?

A. Multi-core processing

B. Overclocking

C. Simultaneous Multithreading (SMT)

D. Cache coherence

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Correct Answer: Option C

Explanation:
SMT improves resource utilization.

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

Question #3

The predicate register in some ISAs enables:

A. Memory only

B. No conditional

C. ALU bypass

D. Guarded execution

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Correct Answer: Option D

Explanation:
Avoids branches.

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

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