DDR4 is a type of: MCQ with Answer and Explanation

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DDR4 is a type of:

A. Processor

B. Monitor

C. RAM

D. Hard disk

Answer: Option C

Solution (By JKSSB Mock Tests)

DDR4 is a generation of Synchronous Dynamic RAM.

This question belongs to: Computer Computer Hardware

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Question #1

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The QWERTY keyboard was originally designed to:

A. Speed up typing

B. For gaming

C. Prevent mechanical jams in typewriters

D. For one-handed use

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Correct Answer: Option C

Explanation:
To slow down typing to avoid key jams in old typewriters.

This question belongs to: Computer Computer Hardware

Question #2

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What is the purpose of a surge protector?

A. Cool components

B. Increase speed

C. Backup data

D. Protect hardware from voltage spikes

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Correct Answer: Option D

Explanation:
Essential for power protection.

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Question #3

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Duplex printing means:

A. Color printing

B. Printing on both sides of paper

C. High resolution printing

D. Fast draft mode

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Correct Answer: Option B

Explanation:
Automatic duplex saves paper.

This question belongs to: Computer Computer Hardware

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