Portable document scanners are useful for: MCQ with Answer and Explanation

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Portable document scanners are useful for:

A. Mobile professionals needing quick digitization

B. 3D printing

C. High volume office only

D. Photo editing

Answer: Option A

Solution (By JKSSB Mock Tests)

Compact and battery powered options exist.

This question belongs to: Computer Computer Hardware

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What causes banding in inkjet prints?

A. Clogged nozzles or low ink

B. Low resolution

C. Wrong paper

D. High speed

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Correct Answer: Option A

Explanation:
Maintenance like cleaning helps prevent it.

This question belongs to: Computer Computer Hardware

Question #2

Which is an example of a non-impact printer?

A. Line Printer

B. Daisy Wheel

C. Laser

D. Dot Matrix

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Correct Answer: Option C

Explanation:
Laser printers do not use impact mechanism.

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Question #3

PCMCIA slots are used in:

A. Desktops only

B. Monitors

C. Printers

D. Older laptops for expansion cards

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Correct Answer: Option D

Explanation:
For adding functionality like modems.

This question belongs to: Computer Computer Hardware

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