Which device helps in reducing noise from printers? MCQ with Answer and Explanation

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Which device helps in reducing noise from printers?

A. Higher DPI setting

B. All of above

C. Enclosures or soundproof covers

D. Laser instead of dot matrix

Answer: Option B

Solution (By JKSSB Mock Tests)

Laser is inherently quieter.

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Question #1

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Mini DisplayPort is used in:

A. Desktops only

B. Scanners

C. Laptops for video output

D. Printers

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Correct Answer: Option C

Explanation:
Compact connector.

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Question #2

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An OMR scanner is used for:

A. Text recognition

B. Photo scanning

C. Reading marked bubbles in exams

D. Barcode

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Correct Answer: Option C

Explanation:
Competitive exam answer sheets.

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Question #3

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What does POST stand for in computer booting?

A. Primary Output System Test

B. Power On Self Test

C. Peripheral Output System Test

D. Processor Operation Standard Test

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Correct Answer: Option B

Explanation:
POST checks hardware during startup.

This question belongs to: Computer Computer Hardware

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