Which printer is impact-based and noisy? MCQ with Answer and Explanation

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Which printer is impact-based and noisy?

A. Dot Matrix Printer

B. Inkjet Printer

C. Laser Printer

D. 3D Printer

Answer: Option A

Solution (By JKSSB Mock Tests)

Dot matrix printers use impact technology creating noise.

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Question #1

An example of wearable input device is:

A. Laser printer

B. External HDD

C. Smartwatch with sensors

D. Desktop monitor

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Correct Answer: Option C

Explanation:
Wearables like smartwatches input data via touch/sensors.

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Question #2

What is the typical access time for modern SSDs?

A. Microseconds

B. Seconds

C. Milliseconds like HDD

D. Minutes

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Correct Answer: Option A

Explanation:
Much faster than HDD.

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Question #3

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

A. Keyboard

B. RAM

C. Touchscreen

D. Hard Disk

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Correct Answer: Option C

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

This question belongs to: Computer Computer Hardware

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