A all-in-one printer's ADF stands for: MCQ with Answer and Explanation

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A all-in-one printer's ADF stands for:

A. Audio Digital Filter

B. Automatic Document Feeder

C. Automatic Duplex Function

D. Advanced Data Format

Answer: Option B

Solution (By JKSSB Mock Tests)

For automatic multi-page handling.

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Which device uses stepper motors for movement?

A. CPUs

B. Dot matrix printers and scanners

C. LED monitors

D. RAM modules

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Correct Answer: Option B

Explanation:
Precise mechanical positioning.

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Question #2

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LPDDR memory is used in:

A. Servers

B. Printers

C. Mobile devices for low power

D. Desktops

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Correct Answer: Option C

Explanation:
Low Power DDR for battery efficiency.

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Question #3

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Which input device is used for capturing images and converting them to digital form?

A. Printer

B. Scanner

C. Plotter

D. Speaker

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Correct Answer: Option B

Explanation:
Scanner digitizes physical images and documents.

This question belongs to: Computer Computer Hardware

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