A document scanner with OCR capability helps in: MCQ with Answer and Explanation

Question

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A document scanner with OCR capability helps in:

A. Printing faster

B. Audio transcription

C. Gaming input

D. Making searchable PDFs from paper

Answer: Option D

Solution (By JKSSB Mock Tests)

Digital archiving.

This question belongs to: Computer Computer Hardware

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Question #1

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A joystick is mainly used in:

A. Office data entry

B. Printing

C. Document scanning

D. Gaming and simulation

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Correct Answer: Option D

Explanation:
Joysticks provide precise control in games.

This question belongs to: Computer Computer Hardware

Question #2

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

A. Monitors use RGB

B. CMYK color model in printers

C. Speakers

D. Projectors only RGB

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Correct Answer: Option B

Explanation:
Subtractive color model.

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Question #3

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The technology behind modern touchscreens is primarily:

A. Capacitive

B. Infrared

C. Resistive

D. Surface acoustic wave

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Correct Answer: Option A

Explanation:
Capacitive touchscreens are common in smartphones and tablets.

This question belongs to: Computer Computer Hardware

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