Which tech company is the developer of the 'Windows' operating system? MCQ with Answer and Explanation

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Which tech company is the developer of the 'Windows' operating system?

A. Microsoft

B. IBM

C. Apple

D. Google

Answer: Option A

Solution (By JKSSB Mock Tests)

Microsoft is the multinational corporation behind the Windows OS.

This question belongs to: Static General Knowledge Science and Technology

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What is the main chemical component of vinegar?

A. Lactic acid

B. Acetic acid

C. Citric acid

D. Formic acid

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Correct Answer: Option B

Explanation:
Vinegar consists mainly of acetic acid (typically 5-8% by volume).

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Question #2

What does 'Crypto' refer to in technology?

A. Cryptography

B. Both

C. Cryptocurrency

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Correct Answer: Option B

Explanation:
It relates to secure communication and digital currency.

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Which blood cells fight infection?

A. Platelets

B. Plasma

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Correct Answer: Option C

Explanation:
White blood cells (leukocytes) are part of the immune system and fight infections.

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