Optical Mouse uses which technology to detect movement? MCQ with Answer and Explanation

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Optical Mouse uses which technology to detect movement?

A. Magnetic field

B. LED and sensor

C. Mechanical ball

D. Ultrasonic waves

Answer: Option B

Solution (By JKSSB Mock Tests)

Optical mice use light-emitting diodes and sensors.

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Question #1

The best surface for optical mouse is:

A. Matte non-reflective

B. Glass

C. Shiny

D. Mirror

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Correct Answer: Option A

Explanation:
Consistent tracking.

This question belongs to: Computer Computer Hardware

Question #2

The term 'bus' in computer hardware refers to:

A. A storage unit

B. A pathway for data transfer

C. A vehicle for data

D. A processing chip

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Correct Answer: Option B

Explanation:
Data bus, address bus, control bus transfer information.

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Question #3

Which input device is used by architects for CAD?

A. Graphics tablet

B. Webcam

C. Barcode reader

D. Standard mouse

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Correct Answer: Option A

Explanation:
Graphics tablets offer precision for design.

This question belongs to: Computer Computer Hardware

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