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. Single click only

B. Text input

C. Audio control

D. Gestures like pinch to zoom

Answer: Option D

Solution (By JKSSB Mock Tests)

Common in touchscreens.

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The memory controller in modern CPUs is often:

A. In RAM

B. On motherboard only

C. Integrated in the processor

D. External chip

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Correct Answer: Option C

Explanation:
Reduces latency.

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Question #2

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The best way to clean a keyboard is:

A. Vacuum only

B. Compressed air and isopropyl alcohol carefully

C. Water wash

D. No cleaning

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Correct Answer: Option B

Explanation:
Prevents damage.

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Question #3

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Thermal printers are commonly used in:

A. Large format printing

B. Laser quality documents

C. Billing machines and POS

D. Photo studios

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Correct Answer: Option C

Explanation:
They use heat-sensitive paper for receipts.

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