What does 'multi-touch' enable on input devices? MCQ with Answer and Explanation

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What does 'multi-touch' enable on input devices?

A. Gestures like pinch to zoom

B. Text input

C. Audio control

D. Single click only

Answer: Option A

Solution (By JKSSB Mock Tests)

Common in touchscreens.

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Question #1

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What is ghosting in monitors?

A. Permanent burn-in

B. Color inaccuracy

C. High brightness

D. Blurry moving images due to slow response

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Correct Answer: Option D

Explanation:
Response time affects ghosting in displays.

This question belongs to: Computer Computer Hardware

Question #2

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What causes coil whine in hardware?

A. Vibrations in inductors under load

B. Keyboard switches

C. Printer motor

D. Monitor issue

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Correct Answer: Option A

Explanation:
Common in GPUs/PSUs.

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Question #3

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PCMCIA slots are used in:

A. Printers

B. Desktops only

C. Older laptops for expansion cards

D. Monitors

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Correct Answer: Option C

Explanation:
For adding functionality like modems.

This question belongs to: Computer Computer Hardware

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