Which output device is used in education for large audiences? MCQ with Answer and Explanation

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Which output device is used in education for large audiences?

A. Interactive whiteboard or projector

B. Headphones

C. Small monitor

D. Personal printer

Answer: Option A

Solution (By JKSSB Mock Tests)

Collaborative learning tools.

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Question #1

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The endurance of flash memory is limited by:

A. Read cycles

B. Write/erase cycles

C. Size only

D. Temperature only

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Correct Answer: Option B

Explanation:
Wear leveling helps extend life.

This question belongs to: Computer Computer Hardware

Question #2

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What causes moire patterns in scanned images?

A. High ink

B. Low resolution

C. Wrong color mode

D. Interference with printed patterns

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Correct Answer: Option D

Explanation:
Descreening filters help.

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Question #3

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OCR stands for:

A. Output Control Reader

B. Optical Character Recognition

C. Optical Color Reader

D. Original Character Register

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Correct Answer: Option B

Explanation:
OCR converts scanned text images into editable text.

This question belongs to: Computer Computer Hardware

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