Which pointing device uses a ball for movement detection? MCQ with Answer and Explanation

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Which pointing device uses a ball for movement detection?

A. Trackball

B. Optical mouse

C. Stylus

D. Touchpad

Answer: Option A

Solution (By JKSSB Mock Tests)

User moves the ball.

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Question #1

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Bubble Jet is a technology associated with:

A. Dot matrix printers

B. Inkjet printers

C. 3D printers

D. Laser printers

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Correct Answer: Option B

Explanation:
Bubble Jet is a Canon inkjet printing technology.

This question belongs to: Computer Computer Hardware

Question #2

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What is the function of a graphics card?

A. To connect networks

B. To render images and videos

C. To store data

D. To process sound

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Correct Answer: Option B

Explanation:
GPU (Graphics Processing Unit) handles visual rendering.

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Question #3

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The socket type for AMD processors often uses:

A. PGA or LGA variants

B. VGA

C. Only USB

D. HDMI

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Correct Answer: Option A

Explanation:
Pin Grid Array or Land Grid Array.

This question belongs to: Computer Computer Hardware

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