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.
Question #41
Report Error
Which of the following is part of the CPU's data path?
Correct Answer: Option C
Explanation:
Data path includes components for data manipulation like ALU and registers.
Data path includes components for data manipulation like ALU and registers.
This question belongs to:
Computer
CPU (Central Processing Unit)
Question #42
Report Error
The clock speed of CPU affects:
Correct Answer: Option C
Explanation:
Higher clock speed generally means faster instruction execution.
Higher clock speed generally means faster instruction execution.
This question belongs to:
Computer
CPU (Central Processing Unit)
Question #43
Report Error
RISC architecture is characterized by:
Correct Answer: Option D
Explanation:
Reduced Instruction Set Computing uses simpler instructions for efficiency.
Reduced Instruction Set Computing uses simpler instructions for efficiency.
This question belongs to:
Computer
CPU (Central Processing Unit)
Question #44
Report Error
The Memory Buffer Register (MBR) holds:
Correct Answer: Option A
Explanation:
It acts as a buffer for data movement between CPU and memory.
It acts as a buffer for data movement between CPU and memory.
This question belongs to:
Computer
CPU (Central Processing Unit)
Question #45
Report Error
Multi-threading in processors helps in:
Correct Answer: Option A
Explanation:
It allows handling multiple threads to keep CPU busy.
It allows handling multiple threads to keep CPU busy.
This question belongs to:
Computer
CPU (Central Processing Unit)
Question #46
Report Error
Which is true about CPU temperature management?
Correct Answer: Option D
Explanation:
Proper cooling is essential to prevent throttling and damage.
Proper cooling is essential to prevent throttling and damage.
This question belongs to:
Computer
CPU (Central Processing Unit)
Question #47
Report Error
The bus that carries data between CPU and memory is called:
Correct Answer: Option C
Explanation:
Data bus transfers actual data values.
Data bus transfers actual data values.
This question belongs to:
Computer
CPU (Central Processing Unit)
Question #48
Report Error
Out-of-order execution is a feature in:
Correct Answer: Option B
Explanation:
It allows reordering instructions for better performance.
It allows reordering instructions for better performance.
This question belongs to:
Computer
CPU (Central Processing Unit)
Question #49
Report Error
The ALU can perform:
Correct Answer: Option D
Explanation:
ALU typically supports arithmetic, logic, and bit manipulation including shifts.
ALU typically supports arithmetic, logic, and bit manipulation including shifts.
This question belongs to:
Computer
CPU (Central Processing Unit)
Question #50
Report Error
Branch prediction helps CPU to:
Correct Answer: Option C
Explanation:
It guesses the outcome of branches to keep pipeline full.
It guesses the outcome of branches to keep pipeline full.
This question belongs to:
Computer
CPU (Central Processing Unit)
