Which device uses stepper motors for movement? MCQ with Answer and Explanation

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Which device uses stepper motors for movement?

A. LED monitors

B. RAM modules

C. CPUs

D. Dot matrix printers and scanners

Answer: Option D

Solution (By JKSSB Mock Tests)

Precise mechanical positioning.

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Flash memory is a type of:

A. Magnetic storage

B. Volatile RAM

C. Optical storage

D. Non-volatile EEPROM variant

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Correct Answer: Option D

Explanation:
Used in USB drives and SSDs.

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Question #2

M.2 is a form factor for:

A. SSDs and expansion cards

B. Monitors

C. RAM

D. Printers

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Correct Answer: Option A

Explanation:
Compact high-speed storage interface.

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Question #3

Which scanner is best for high-volume document scanning?

A. Sheet-fed

B. Drum

C. Handheld

D. Flatbed

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Correct Answer: Option A

Explanation:
Sheet-fed scanners are efficient for multiple pages.

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