What is the purpose of a register in a CPU? MCQ with Answer and Explanation

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What is the purpose of a register in a CPU?

A. To control input/output

B. To manage memory

C. To perform arithmetic

D. To store temporary data and instructions

Answer: Option D

Solution (By JKExamLibrary)

Registers are small, fast storage locations for temporary data during processing.

This question belongs to: Computer Computer Fundamentals

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Practice More Computer Fundamentals Questions

Question #1 Report Error

What is the decimal equivalent of binary 1001?

A. 9

B. 8

C. 10

D. 11

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Correct Answer: Option A

Explanation:
1001 = 8+1 = 9.

This question belongs to: Computer Computer Fundamentals

Question #2 Report Error

Which number system is used internally by computers?

A. Binary

B. Octal

C. Decimal

D. Hexadecimal

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Correct Answer: Option A

Explanation:
Computers use binary (base-2) because electronic switches can represent two states: on/off.

This question belongs to: Computer Computer Fundamentals

Question #3 Report Error

Which of the following describes the lack of an innate intelligence or independent decision-making capability in a traditional computer system?

A. Volatility

B. No Feelings

C. Diligence

D. No IQ

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Correct Answer: Option D

Explanation:
Computers possess 'No IQ'; they cannot take independent decisions beyond the predefined logic and code provided by a human programmer.

This question belongs to: Computer Computer Fundamentals

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