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

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Which output device is commonly used in presentations?

A. Scanner

B. Keyboard

C. Projector

D. Printer

Answer: Option C

Solution (By JKSSB Mock Tests)

Projectors display computer output on large screens.

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Question #1

What is the function of a graphics card?

A. To process sound

B. To render images and videos

C. To store data

D. To connect networks

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Correct Answer: Option B

Explanation:
GPU (Graphics Processing Unit) handles visual rendering.

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Question #2

What does HDMI stand for?

A. High Data Multimedia Interface

B. Hybrid Display Monitor Input

C. High Definition Multimedia Interface

D. High Density Memory Input

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Correct Answer: Option C

Explanation:
HDMI is used for high-quality audio and video transmission.

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Question #3

RAM is an example of which type of memory?

A. Volatile memory

B. Non-volatile memory

C. Secondary memory

D. Read-only memory

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Correct Answer: Option A

Explanation:
RAM is volatile memory that loses data when power is turned off.

This question belongs to: Computer Computer Hardware

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