Line printers are used for: MCQ with Answer and Explanation

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Line printers are used for:

A. Color graphics

B. Photo printing

C. Home use

D. High-speed bulk printing

Answer: Option D

Solution (By JKSSB Mock Tests)

They are high-volume impact printers.

This question belongs to: Computer Computer Hardware

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Question #1

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What allows hot swapping of devices?

A. USB, SATA with support

B. PS/2

C. All ports

D. VGA

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Correct Answer: Option A

Explanation:
Without reboot.

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Question #2

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Which output device uses cyan, magenta, yellow, black inks?

A. Projectors only RGB

B. Monitors use RGB

C. CMYK color model in printers

D. Speakers

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Correct Answer: Option C

Explanation:
Subtractive color model.

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Question #3

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What is the main advantage of liquid cooling over air cooling?

A. No maintenance

B. Lower cost

C. Better heat dissipation for high-end CPUs

D. Easier installation

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Correct Answer: Option C

Explanation:
For overclocking and quiet operation.

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