Which input device is used for capturing images and converting them to digital form? MCQ with Answer and Explanation

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Which input device is used for capturing images and converting them to digital form?

A. Scanner

B. Speaker

C. Printer

D. Plotter

Answer: Option A

Solution (By JKSSB Mock Tests)

Scanner digitizes physical images and documents.

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Question #1

A all-in-one printer's ADF stands for:

A. Audio Digital Filter

B. Advanced Data Format

C. Automatic Duplex Function

D. Automatic Document Feeder

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Correct Answer: Option D

Explanation:
For automatic multi-page handling.

This question belongs to: Computer Computer Hardware

Question #2

What is the role of Northbridge chipset?

A. Connects CPU to RAM and graphics

B. Handles slow peripherals

C. Audio processing

D. Manages power supply

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Correct Answer: Option A

Explanation:
Northbridge handles high-speed components.

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Question #3

In competitive exams, which device is often asked as an example of both input and output?

A. RAM

B. Touchscreen

C. Keyboard

D. Hard Disk

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Correct Answer: Option B

Explanation:
Touchscreen can function as both input (touch) and output (display) device.

This question belongs to: Computer Computer Hardware

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