A trackball is a type of: MCQ with Answer and Explanation

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A trackball is a type of:

A. Pointing input device

B. Output device

C. Storage device

D. Printing device

Answer: Option A

Solution (By JKSSB Mock Tests)

Trackball is an alternative to mouse for pointing.

This question belongs to: Computer Computer Hardware

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Question #1

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Which of the following is an optical input device?

A. Keyboard

B. Joystick

C. Mouse

D. Barcode Reader

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Correct Answer: Option D

Explanation:
Barcode reader uses optical technology to scan barcodes.

This question belongs to: Computer Computer Hardware

Question #2

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The standard interface for modern hard drives is:

A. Parallel port

B. SATA or NVMe

C. SCSI only

D. IDE only

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Correct Answer: Option B

Explanation:
SATA for HDDs, NVMe for SSDs.

This question belongs to: Computer Computer Hardware

Question #3

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A joystick with throttle is common in:

A. Flight simulation

B. Racing games only

C. Strategy games

D. Puzzle games

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Correct Answer: Option A

Explanation:
Aviation controls.

This question belongs to: Computer Computer Hardware

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