The decode stage translates: MCQ with Answer and Explanation

Question

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The decode stage translates:

A. High level language

B. Machine code to control signals

C. Output to input

D. Data to address

Answer: Option B

Solution (By JKSSB Mock Tests)

It interprets the binary instruction.

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

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Question #1

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Processor registers are used to:

A. Control peripheral devices

B. Hold data and instructions for immediate processing

C. Store data permanently

D. Perform input operations

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Correct Answer: Option B

Explanation:
Registers provide fast temporary storage within the CPU for quick access by ALU.

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

Question #2

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In CPU, 'retirement' refers to:

A. Fetching instructions

B. Committing instruction results to architectural state

C. Memory access

D. Decoding phase

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Correct Answer: Option B

Explanation:
It completes the instruction lifecycle.

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

Question #3

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The ROB (Reorder Buffer) size affects:

A. Address bus

B. Power only

C. How many instructions can be in flight

D. Cache size

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Correct Answer: Option C

Explanation:
Larger ROB supports more out-of-order execution.

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

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