What is the core function of an 'Operating System'? MCQ with Answer and Explanation

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What is the core function of an 'Operating System'?

A. To edit photos

B. To browse the internet

C. To manage computer hardware and software resources

D. To play games

Answer: Option C

Solution (By JKSSB Mock Tests)

An OS provides the interface between the hardware and the software applications.

This question belongs to: Static General Knowledge Science and Technology

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Question #1

INSAT satellites are used for:

A. Navigation only

B. Communication and weather forecasting

C. Military purpose only

D. Deep space research

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Correct Answer: Option B

Explanation:
INSAT is India's multipurpose communication satellite system.

This question belongs to: Static General Knowledge Science and Technology

Question #2

Which gas do plants absorb from the atmosphere?

A. Oxygen

B. Nitrogen

C. Hydrogen

D. Carbon Dioxide

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Correct Answer: Option D

Explanation:
Plants take in carbon dioxide during photosynthesis.

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Question #3

Which among the following is the first Indian satellite launched by ISRO in 1975?

A. Rohini

B. INSAT-1A

C. Bhaskara-I

D. Aryabhata

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Correct Answer: Option D

Explanation:
Aryabhata was India's first satellite, launched on April 19, 1975, named after the famous Indian astronomer.

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