The first programmable digital computer was: MCQ with Answer and Explanation

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The first programmable digital computer was:

A. ENIAC

B. Colossus

C. Analytical Engine

D. Z3

Answer: Option D

Solution (By JKSSB Mock Tests)

Z3 by Konrad Zuse was the first programmable computer.

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Which of these is a noble gas?

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B. Oxygen

C. Neon

D. Nitrogen

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Correct Answer: Option C

Explanation:
Neon is a noble gas, belonging to Group 18 of the periodic table.

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Which vehicle launched Mangalyaan?

A. GSLV

B. LVM3

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Correct Answer: Option C

Explanation:
PSLV-C25 successfully launched Mangalyaan.

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Which ISRO centre is responsible for launch vehicles?

A. VSSC

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D. IIRS

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Correct Answer: Option A

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