A common wireless input device is: MCQ with Answer and Explanation

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A common wireless input device is:

A. Bluetooth mouse

B. Wired keyboard

C. VGA monitor

D. USB scanner

Answer: Option A

Solution (By JKSSB Mock Tests)

Bluetooth enables wireless connectivity.

This question belongs to: Computer Computer Hardware

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AVX instructions in CPU are for:

A. Basic operations

B. Graphics only

C. Storage

D. Advanced vector extensions for parallel computing

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Correct Answer: Option D

Explanation:
Scientific and multimedia.

This question belongs to: Computer Computer Hardware

Question #2

Which device helps in reducing noise from printers?

A. Higher DPI setting

B. Enclosures or soundproof covers

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Correct Answer: Option D

Explanation:
Laser is inherently quieter.

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C. Membrane only

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Correct Answer: Option D

Explanation:
Provide tactile feedback and durability.

This question belongs to: Computer Computer Hardware

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