Which of the following is an example of an analog computer? MCQ with Answer and Explanation

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Which of the following is an example of an analog computer?

A. Smartphone

B. Thermometer

C. Desktop PC

D. Tablet

Answer: Option B

Solution (By JKSSB Mock Tests)

A thermometer is an analog device that measures continuous temperature changes, unlike digital computers that use discrete signals.

This question belongs to: Computer Computer Fundamentals

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Question #1

What is the binary equivalent of decimal 5?

A. 100

B. 110

C. 101

D. 111

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Correct Answer: Option C

Explanation:
5 in binary is 101 (4+1).

This question belongs to: Computer Computer Fundamentals

Question #2

Which component is responsible for fetching instructions in a CPU?

A. Register

B. Control Unit

C. Cache

D. ALU

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Correct Answer: Option B

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

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Question #3

Which of the following is a function of the operating system?

A. Managing files

B. Printing documents

C. Compiling programs

D. Designing graphics

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Correct Answer: Option A

Explanation:
File management is a core OS function.

This question belongs to: Computer Computer Fundamentals

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