What is a common input device in factories for inventory? MCQ with Answer and Explanation

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What is a common input device in factories for inventory?

A. RFID reader or barcode scanner

B. Touchscreen only

C. Mouse

D. Keyboard only

Answer: Option A

Solution (By JKSSB Mock Tests)

Efficient for tracking.

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Question #1

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A hardware firewall can be a:

A. Monitor setting

B. Dedicated device or router feature

C. Software only

D. Printer option

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Correct Answer: Option B

Explanation:
Network protection.

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Question #2

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Which device is used to input handwritten data?

A. Laser printer

B. Optical mouse

C. Flatbed scanner only

D. Stylus with graphics tablet

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Correct Answer: Option D

Explanation:
Graphics tablets with stylus allow natural handwriting input.

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Question #3

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The main advantage of vector graphics output in plotters is:

A. Scalability without loss of quality

B. Fast text

C. Low cost

D. Color photos

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Correct Answer: Option A

Explanation:
Precise lines for technical drawings.

This question belongs to: Computer Computer Hardware

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