3D stacking in CPUs improves: MCQ with Answer and Explanation

3D stacking in CPUs improves:

A. Power consumption negatively

B. Clock speed only

C. Manufacturing simplicity

D. Cache density and bandwidth

Answer: Option D

Like AMD's 3D V-Cache.

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

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Question #1 Report Error

Which unit decodes machine instructions?

A. I/O Controller

B. ALU

C. CU

D. Memory

Correct Answer: Option C

Explanation:
The Control Unit handles instruction decoding.

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

Question #2 Report Error

The shadow stack is a security feature for:

A. Power management

B. Data encryption

C. Protecting return addresses

D. Cache protection

Correct Answer: Option C

Explanation:
Against ROP attacks.

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

Question #3 Report Error

The microcode ROM is part of:

A. Control Unit in CISC processors

B. ALU

C. Registers

D. Cache

Correct Answer: Option A

Explanation:
It translates complex instructions.

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