CISC stands for: MCQ with Answer and Explanation

CISC stands for:

A. Cache Instruction Set Computer

B. Central Integrated System Computer

C. Complex Instruction Set Computer

D. Control Instruction Set Computer

Answer: Option C

CISC uses complex multi-step instructions.

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

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Question #1 Report Error

A CPU's process node size (like 7nm) refers to:

A. Number of pins

B. Manufacturing technology affecting density and efficiency

C. Clock speed

D. Cache size

Correct Answer: Option B

Explanation:
Smaller nodes allow more transistors and lower power.

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

Question #2 Report Error

In CPU design, 'IPC' stands for:

A. Internal Processing Cache

B. Instructions Per Cycle

C. Integrated Power Control

D. Interrupt Priority Controller

Correct Answer: Option B

Explanation:
IPC measures how many instructions a CPU executes per clock cycle.

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

Question #3 Report Error

Which of the following enhances CPU performance without changing architecture?

A. Removing ALU

B. Increasing cache size

C. Decreasing registers

D. Lowering voltage

Correct Answer: Option B

Explanation:
Larger cache reduces memory access latency.

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