In CPU, 'retirement' refers to: MCQ with Answer and Explanation

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In CPU, 'retirement' refers to:

A. Memory access

B. Decoding phase

C. Committing instruction results to architectural state

D. Fetching instructions

Answer: Option C

Solution (By JKSSB Mock Tests)

It completes the instruction lifecycle.

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

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Question #1

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Immediate addressing mode uses data directly from:

A. The instruction itself

B. Memory location

C. Register

D. Stack

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Correct Answer: Option A

Explanation:
Operand is embedded in the instruction.

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

Question #2

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The memory controller can be:

A. Always external

B. Irrelevant

C. Integrated in the CPU

D. Part of ALU

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Correct Answer: Option C

Explanation:
On-die memory controller reduces latency.

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

Question #3

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The execution unit in CPU may include:

A. No units

B. Multiple specialized ALUs and FPUs

C. Memory only

D. Single unit only

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Correct Answer: Option B

Explanation:
For different types of operations.

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

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