A biometric mouse may include: MCQ with Answer and Explanation

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A biometric mouse may include:

A. Extra buttons only

B. Fingerprint reader

C. Laser only

D. RGB lighting

Answer: Option B

Solution (By JKSSB Mock Tests)

For secure authentication.

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Question #1

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What is the function of a sound card?

A. To print documents

B. To process video

C. To handle audio input and output

D. To connect to internet

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Correct Answer: Option C

Explanation:
Sound cards manage audio processing.

This question belongs to: Computer Computer Hardware

Question #2

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Flicker-free technology in monitors reduces:

A. Eye strain by eliminating PWM flicker

B. Brightness

C. Resolution

D. Contrast

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Correct Answer: Option A

Explanation:
Better for health.

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Question #3

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A daisy chain connection is used for:

A. Printing only

B. Keyboard input

C. Connecting multiple devices in series like Thunderbolt

D. Scanning

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Correct Answer: Option C

Explanation:
Efficient cabling.

This question belongs to: Computer Computer Hardware

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