SMPS stands for: MCQ with Answer and Explanation

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SMPS stands for:

A. Simple Memory Processing System

B. Switch Mode Power Supply

C. Standard Motherboard Processing Supply

D. Serial Memory Power System

Answer: Option B

Solution (By JKSSB Mock Tests)

SMPS converts AC to DC power for computer components.

This question belongs to: Computer Computer Hardware

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Question #1

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What is the primary use of a digitizer tablet?

A. Drawing with a stylus for precise input

B. Projecting slides

C. Scanning documents

D. Printing high-resolution images

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Correct Answer: Option A

Explanation:
Digitizer or graphics tablet is used for precise digital drawing.

This question belongs to: Computer Computer Hardware

Question #2

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What is the purpose of a printer's fuser unit?

A. Scan documents

B. Feed paper

C. Bond toner to paper with heat and pressure

D. Store ink

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Correct Answer: Option C

Explanation:
In laser printers.

This question belongs to: Computer Computer Hardware

Question #3

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What does refresh rate indicate in monitors?

A. Number of pixels

B. Color depth

C. Power consumption

D. How many times screen is redrawn per second

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Correct Answer: Option D

Explanation:
Measured in Hz, higher reduces flicker (e.g., 144Hz).

This question belongs to: Computer Computer Hardware

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