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

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A document scanner with OCR capability helps in:

A. Making searchable PDFs from paper

B. Audio transcription

C. Printing faster

D. Gaming input

Answer: Option A

Solution (By JKSSB Mock Tests)

Digital archiving.

This question belongs to: Computer Computer Hardware

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Question #1

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The cache coherence problem is managed by:

A. Multi-core CPU protocols

B. HDD

C. RAM

D. Single core only

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Correct Answer: Option A

Explanation:
Ensures data consistency.

This question belongs to: Computer Computer Hardware

Question #2

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What is the primary sensor in most flatbed scanners?

A. Magnetic

B. Thermal

C. CCD or CIS

D. CMOS only for phones

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Correct Answer: Option C

Explanation:
Charge Coupled Device or Contact Image Sensor.

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Question #3

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Which input device is used by architects for CAD?

A. Barcode reader

B. Webcam

C. Standard mouse

D. Graphics tablet

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Correct Answer: Option D

Explanation:
Graphics tablets offer precision for design.

This question belongs to: Computer Computer Hardware

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