CPU (Central Processing Unit) MCQs

Computer

CPU (Central Processing Unit) MCQs

Practice CPU MCQs with answers and explanations covering ALU, CU, registers, processors and central processing unit concepts frequently asked in competitive exams.

327
Total Questions

Practice Questions

Page 17 of 17
Question #321
The fill buffer in cache handles:
A. Branch buffer
B. Instruction decode
C. Incoming cache line fills from memory
D. ALU fills

Correct Answer: Option C


Explanation:
During misses.

This question belongs to: Computer CPU (Central Processing Unit)
Question #322
Which company leads in GPU integrated with CPU?
A. Intel only older
B. No integration
C. Separate always
D. AMD with APUs

Correct Answer: Option D


Explanation:
Efficient unified memory.

This question belongs to: Computer CPU (Central Processing Unit)
Question #323
The reservation station holds:
A. Retired uops
B. Instructions waiting for operands
C. Committed instructions
D. Fetched raw

Correct Answer: Option B


Explanation:
In Tomasulo's algorithm style.

This question belongs to: Computer CPU (Central Processing Unit)
Question #324
Low precision computing in AI CPUs uses:
A. Integer only legacy
B. INT8 or FP16 for efficiency
C. Only FP64
D. No precision

Correct Answer: Option B


Explanation:
Higher throughput.

This question belongs to: Computer CPU (Central Processing Unit)
Question #325
The coherence directory is used in:
A. Large scale multi-core systems
B. Cache less designs
C. Mobile only
D. Single core

Correct Answer: Option A


Explanation:
For directory-based coherence.

This question belongs to: Computer CPU (Central Processing Unit)
Question #326
Which stage follows execution in classic pipeline?
A. Decode
B. Fetch
C. Memory access and write-back
D. Issue

Correct Answer: Option C


Explanation:
Completes data operations.

This question belongs to: Computer CPU (Central Processing Unit)
Question #327
Adaptive voltage and frequency scaling (AVFS) optimizes:
A. No scaling
B. Per core or per die power-performance
C. Maximum voltage
D. Fixed settings

Correct Answer: Option B


Explanation:
Dynamic adjustment.

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