What is the purpose of a 'Backup'? MCQ with Answer and Explanation

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What is the purpose of a 'Backup'?

A. To improve visual quality

B. To access the internet

C. To make the computer faster

D. To store copies of data to prevent loss

Answer: Option D

Solution (By JKSSB Mock Tests)

Backups serve as a protective copy of important files in case of system failure.

This question belongs to: Static General Knowledge Science and Technology

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Question #1

What is 'Augmented Reality' (AR)?

A. A complete 3D simulation

B. A way to print 3D materials

C. Overlapping digital content onto the real world

D. A method of internet security

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Correct Answer: Option C

Explanation:
AR overlays digital information, such as images or text, onto the user's real-world view.

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Question #2

Bt cotton is an example of:

A. Genetically modified crop

B. Hybrid seed

C. Traditional breeding

D. Organic farming

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Correct Answer: Option A

Explanation:
Bt cotton is a GM crop engineered for pest resistance using Bacillus thuringiensis.

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Question #3

Which gas is required for fire to burn?

A. Oxygen

B. Argon

C. Nitrogen

D. Carbon Dioxide

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Correct Answer: Option A

Explanation:
Combustion is a chemical reaction that requires oxygen.

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