The dispatch buffer holds: MCQ with Answer and Explanation

Question

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The dispatch buffer holds:

A. Fetched but not decoded

B. Committed results

C. Addresses only

D. Instructions ready for execution

Answer: Option D

Solution (By JKSSB Mock Tests)

In out-of-order processors.

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

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Question #1

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Which of the following is NOT a main component of the CPU?

A. Registers

B. Control Unit (CU)

C. Arithmetic Logic Unit (ALU)

D. Random Access Memory (RAM)

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Correct Answer: Option D

Explanation:
RAM is primary memory outside the CPU, while ALU, CU, and Registers are integral parts of the CPU.

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

Question #2

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The reservation station holds:

A. Committed instructions

B. Instructions waiting for operands

C. Fetched raw

D. Retired uops

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Correct Answer: Option B

Explanation:
In Tomasulo's algorithm style.

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

Question #3

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The microcode ROM is part of:

A. Cache

B. Control Unit in CISC processors

C. Registers

D. ALU

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Correct Answer: Option B

Explanation:
It translates complex instructions.

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

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