Which component is responsible for performing arithmetic operations in a CPU? MCQ with Answer and Explanation

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Which component is responsible for performing arithmetic operations in a CPU?

A. Registers

B. Cache

C. Control Unit

D. ALU

Answer: Option D

Solution (By JKSSB Mock Tests)

The ALU carries out arithmetic and logical operations.

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Practice More Computer Fundamentals Questions

Question #1

What is the purpose of the system bus?

A. Controls input devices

B. Executes instructions

C. Transfers data between components

D. Stores data permanently

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Correct Answer: Option C

Explanation:
The system bus connects the CPU, memory, and I/O devices, allowing data transfer.

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Question #2

Which generation of computers introduced widespread multi-programming, time-sharing operating systems, and remote terminal connections?

A. Fourth Generation

B. First Generation

C. Second Generation

D. Third Generation

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Correct Answer: Option D

Explanation:
The third generation (IC era) allowed multiple programs to share CPU time through multi-programming and time-sharing operating systems.

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Question #3

Who designed the mechanical 'Difference Engine' in 1822 to automatically compute and tabulate mathematical error-free polynomial tables?

A. Herman Hollerith

B. John von Neumann

C. Blaise Pascal

D. Charles Babbage

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Correct Answer: Option D

Explanation:
Charles Babbage invented the Difference Engine to compute mathematical tables mechanically, earning him renown as the father of computing.

This question belongs to: Computer Computer Fundamentals

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