Which feature in printers saves ink? MCQ with Answer and Explanation

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Which feature in printers saves ink?

A. Color printing

B. Duplex

C. High quality mode

D. Draft mode or eco mode

Answer: Option D

Solution (By JKSSB Mock Tests)

Lower resolution for drafts.

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Question #1

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What causes coil whine in hardware?

A. Vibrations in inductors under load

B. Monitor issue

C. Printer motor

D. Keyboard switches

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Correct Answer: Option A

Explanation:
Common in GPUs/PSUs.

This question belongs to: Computer Computer Hardware

Question #2

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What type of output is produced by a plotter?

A. Text documents

B. Scanned images

C. Vector graphics and large drawings

D. Audio files

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Correct Answer: Option C

Explanation:
Plotters are used for CAD and engineering drawings.

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Question #3

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Which is an example of a non-impact printer?

A. Dot Matrix

B. Line Printer

C. Laser

D. Daisy Wheel

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Correct Answer: Option C

Explanation:
Laser printers do not use impact mechanism.

This question belongs to: Computer Computer Hardware

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