OCR software is most useful after using: MCQ with Answer and Explanation

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OCR software is most useful after using:

A. Speaker

B. Mouse

C. Scanner

D. Printer

Answer: Option C

Solution (By JKSSB Mock Tests)

To convert scanned images to text.

This question belongs to: Computer Computer Hardware

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Question #1

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Which device uses stepper motors for movement?

A. LED monitors

B. Dot matrix printers and scanners

C. CPUs

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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What is the primary sensor in most flatbed scanners?

A. CMOS only for phones

B. Magnetic

C. CCD or CIS

D. Thermal

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Correct Answer: Option C

Explanation:
Charge Coupled Device or Contact Image Sensor.

This question belongs to: Computer Computer Hardware

Question #3

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The purpose of a case fan is:

A. CPU only

B. GPU only

C. PSU only

D. Overall system airflow

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Correct Answer: Option D

Explanation:
Balanced cooling.

This question belongs to: Computer Computer Hardware

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