A handheld scanner is best for: MCQ with Answer and Explanation

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A handheld scanner is best for:

A. Batch processing

B. Scanning irregular or large objects

C. Photo negatives

D. High quality flat documents

Answer: Option B

Solution (By JKSSB Mock Tests)

Flexibility.

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Question #1

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Duplex scanning refers to:

A. Double resolution

B. Scanning both sides of a page automatically

C. Color and B/W

D. Two scanners

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Correct Answer: Option B

Explanation:
Saves time.

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Question #2

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What does the term 'resolution' refer to in monitors?

A. Brightness level

B. Number of colors displayed

C. Number of pixels on the screen

D. Refresh rate

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Correct Answer: Option C

Explanation:
Resolution is the total number of pixels (e.g., 1920x1080).

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Question #3

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The lifespan of an LCD monitor is typically:

A. Unlimited

B. 30,000 to 60,000 hours

C. 100 hours

D. 1,000 hours

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Correct Answer: Option B

Explanation:
Backlight determines it.

This question belongs to: Computer Computer Hardware

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