Which basic unit inside the CPU is strictly dedicated to executing arithmetic math like addition, subtraction, multiplication, and division? MCQ with Answer and Explanation

Question

Which basic unit inside the CPU is strictly dedicated to executing arithmetic math like addition, subtraction, multiplication, and division?

A. Arithmetic Unit

B. Control Unit

C. Memory Unit

D. Logic Unit

Answer: Option A

Solution (By JKSSB Mock Tests)

The arithmetic unit (a subdivision of the ALU) handles basic mathematical computations like addition, subtraction, multiplication, and division.

This question belongs to: Computer Computer Fundamentals

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Question #1

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Which component inside a CPU directs the flow of signals and coordinates the activities of all other functional units of the computer?

A. Control Unit

B. Accumulator

C. Arithmetic Logic Unit

D. Primary Storage Unit

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Correct Answer: Option A

Explanation:
The Control Unit (CU) acts as the supervisor of the system, fetching instructions, decoding them, and dispatching control signals across the computer.

This question belongs to: Computer Computer Fundamentals

Question #2

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What type of operating systems and user interfaces were primarily used during the third generation of computers?

A. Graphical User Interface (GUI)

B. Time-sharing and Remote-processing Operating Systems

C. Command Line Interface (CLI) with batch processing

D. Gesture-based Interface

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Correct Answer: Option B

Explanation:
The third generation (IC era) saw the introduction of multi-programming, time-sharing, and early operating systems that allowed remote terminal access.

This question belongs to: Computer Computer Fundamentals