Dynamic voltage scaling is used to: MCQ with Answer and Explanation

Dynamic voltage scaling is used to:

A. Optimize power consumption

B. Fix clock speed

C. Increase heat

D. Reduce cores

Answer: Option A

Adjusts voltage and frequency based on workload.

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

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Question #1 Report Error

In-order execution processors are simpler but may have:

A. Higher complexity

B. No pipeline

C. Always better performance

D. Lower IPC in some workloads

Correct Answer: Option D

Explanation:
Due to stalls on dependencies.

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

Question #2 Report Error

Immediate addressing mode uses data directly from:

A. Stack

B. Memory location

C. Register

D. The instruction itself

Correct Answer: Option D

Explanation:
Operand is embedded in the instruction.

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

Question #3 Report Error

Floating point operations are typically handled by:

A. Registers exclusively

B. Memory

C. ALU (in modern CPUs with FPU)

D. CU only

Correct Answer: Option C

Explanation:
Floating Point Unit is integrated with ALU for real number ops.

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