The jump register instruction uses: MCQ with Answer and Explanation

Question

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The jump register instruction uses:

A. Immediate only

B. Memory indirect

C. Register value as target address

D. Stack top

Answer: Option C

Solution (By JKSSB Mock Tests)

For indirect jumps.

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

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Question #1

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The primary purpose of the Status Register is to:

A. Store program data

B. Control peripherals

C. Hold addresses

D. Indicate the outcome of operations like carry or zero flag

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Correct Answer: Option D

Explanation:
It contains flags reflecting CPU state after arithmetic/logic ops.

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

Question #2

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The number of transistors in modern CPUs follows:

A. Irrelevant

B. Moore's Law trend

C. Decreasing trend

D. No change

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Correct Answer: Option B

Explanation:
Transistor count doubles approximately every two years.

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

Question #3

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CPUID instruction is used to:

A. Control display

B. Access hard disk

C. Identify processor features and capabilities

D. Perform addition

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Correct Answer: Option C

Explanation:
Software uses it to detect supported features.

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

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