What is the purpose of a printer's fuser unit? MCQ with Answer and Explanation

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What is the purpose of a printer's fuser unit?

A. Bond toner to paper with heat and pressure

B. Scan documents

C. Store ink

D. Feed paper

Answer: Option A

Solution (By JKSSB Mock Tests)

In laser printers.

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Question #1

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The read/write head in HDD is part of:

A. Motor

B. Platter

C. Controller board

D. Actuator arm assembly

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Correct Answer: Option D

Explanation:
Moves across platters.

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Question #2

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Which input device uses Hall effect sensors?

A. Optical mice

B. Monitors

C. Scanners

D. Some mechanical keyboards for durability

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Correct Answer: Option D

Explanation:
Contactless switching.

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Question #3

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OLED technology in monitors provides:

A. Slowest response

B. Cheapest price

C. Perfect blacks and high contrast

D. Lowest power in all cases

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Correct Answer: Option C

Explanation:
Self-emissive pixels.

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