Which output device is commonly used in presentations? MCQ with Answer and Explanation

Question Report Error

Which output device is commonly used in presentations?

A. Printer

B. Scanner

C. Projector

D. Keyboard

Answer: Option C

Solution (By JKExamLibrary)

Projectors display computer output on large screens.

This question belongs to: Computer Computer Hardware

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Question #1 Report Error

What is ECC memory used for?

A. Gaming PCs only

B. Laptops

C. Error correction in servers

D. Monitors

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Correct Answer: Option C

Explanation:
Error-Correcting Code memory for reliability.

This question belongs to: Computer Computer Hardware

Question #2 Report Error

Which device uses a ribbon for printing?

A. Inkjet printer

B. Laser printer

C. Thermal printer

D. Dot matrix printer

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Correct Answer: Option D

Explanation:
Dot matrix uses inked ribbon.

This question belongs to: Computer Computer Hardware

Question #3 Report Error

The print spooler manages:

A. Scanner input

B. Queue of print jobs

C. Paper feed

D. Ink levels

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Correct Answer: Option B

Explanation:
Background processing.

This question belongs to: Computer Computer Hardware

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