Which component is responsible for fetching instructions in a CPU? MCQ with Answer and Explanation

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Which component is responsible for fetching instructions in a CPU?

A. ALU

B. Register

C. Control Unit

D. Cache

Answer: Option C

Solution (By JKSSB Mock Tests)

The Control Unit fetches instructions from memory and decodes them for execution.

This question belongs to: Computer Computer Fundamentals

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Question #1

Which of the following is a characteristic of analog computers?

A. Discrete data

B. Binary representation

C. High precision

D. Continuous signals

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Correct Answer: Option D

Explanation:
Analog computers process continuous signals like voltage or temperature.

This question belongs to: Computer Computer Fundamentals

Question #2

Which fundamental component of the Von Neumann CPU is responsible for temporarily storing the intermediate results of arithmetic and logical operations?

A. Instruction Register

B. Accumulator

C. Program Counter

D. System Bus

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Correct Answer: Option B

Explanation:
The Accumulator is a special-purpose register within the ALU that stores intermediate calculation results during processing.

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Question #3

What is the main advantage of integrated circuits over transistors?

A. More reliable but slower

B. Higher speed only

C. Easier to manufacture

D. Smaller size and lower cost

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Correct Answer: Option D

Explanation:
ICs pack many transistors into a small chip, reducing size and cost, while increasing reliability.

This question belongs to: Computer Computer Fundamentals

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