A common resolution for HD monitors is: MCQ with Answer and Explanation

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A common resolution for HD monitors is:

A. 1366x768

B. 800x600

C. 4096x2160

D. 2560x1440

Answer: Option A

Solution (By JKSSB Mock Tests)

1366x768 is common for HD laptops.

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Question #1

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What is the primary function of a computer mouse?

A. To display images

B. To point and select objects on screen

C. To print documents

D. To scan barcodes

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Correct Answer: Option B

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

This question belongs to: Computer Computer Hardware

Question #2

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Thermal printers are commonly used in:

A. Photo studios

B. Billing machines and POS

C. Large format printing

D. Laser quality documents

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Correct Answer: Option B

Explanation:
They use heat-sensitive paper for receipts.

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Question #3

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What is the benefit of anti-reflective coatings?

A. Lowers resolution

B. Changes colors

C. Increases glare

D. Reduces glare for better visibility

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Correct Answer: Option D

Explanation:
In bright environments.

This question belongs to: Computer Computer Hardware

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