The technology behind modern touchscreens is primarily: MCQ with Answer and Explanation

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The technology behind modern touchscreens is primarily:

A. Infrared

B. Resistive

C. Capacitive

D. Surface acoustic wave

Answer: Option C

Solution (By JKSSB Mock Tests)

Capacitive touchscreens are common in smartphones and tablets.

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What is the full form of CPU in computer hardware?

A. Central Power Unit

B. Central Processing Unit

C. Control Processing Unit

D. Computer Personal Unit

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Correct Answer: Option B

Explanation:
CPU stands for Central Processing Unit, which is the brain of the computer responsible for processing instructions.

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Question #2

The ink level monitoring in printers uses:

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Correct Answer: Option A

Explanation:
Alerts users.

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B. High volume office only

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Correct Answer: Option A

Explanation:
Compact and battery powered options exist.

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