What is the primary function of a computer mouse? MCQ with Answer and Explanation

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What is the primary function of a computer mouse?

A. To point and select objects on screen

B. To print documents

C. To scan barcodes

D. To display images

Answer: Option A

Solution (By JKSSB Mock Tests)

Mouse is a pointing input device used for navigation and selection.

This question belongs to: Computer Computer Hardware

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Laser printers use which type of memory for buffering print jobs?

A. No memory needed

B. Flash memory only

C. Printer's internal RAM

D. ROM

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Correct Answer: Option C

Explanation:
Printer RAM helps in handling complex print jobs.

This question belongs to: Computer Computer Hardware

Question #2

The bezel size in monitors affects:

A. Storage

B. Multi-monitor setups

C. Processing power

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Correct Answer: Option B

Explanation:
Thin bezels are preferred for seamless arrays.

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Question #3

What does 'silicon lottery' refer to in hardware?

A. Variation in CPU overclocking potential

B. Monitor lottery

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Correct Answer: Option A

Explanation:
Manufacturing differences.

This question belongs to: Computer Computer Hardware

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