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

What is the purpose of a 'Backup'?
A. To store copies of data to prevent loss
B. To improve visual quality
C. To make the computer faster
D. To access the internet
Answer: Option A
Solution (By JKExamLibrary)
Backups serve as a protective copy of important files in case of system failure.

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Which element is commonly used in solar panels to produce electricity?
A. Copper
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Correct Answer: Option D


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Photovoltaic cells in solar panels are typically made of silicon.

Question #2 Report Error
India's first 3D printed rocket engine was developed by:
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Correct Answer: Option A


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Correct Answer: Option B


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