The invention of the electronic compiler, which translates high-level source code into computer machine language, was achieved by whom? MCQ with Answer and Explanation

Question

The invention of the electronic compiler, which translates high-level source code into computer machine language, was achieved by whom?

A. John von Neumann

B. Grace Hopper

C. Alan Turing

D. Charles Babbage

Answer: Option B

Solution (By JKSSB Mock Tests)

Rear Admiral Grace Hopper created the A-0 compiler in 1951 and was instrumental in developing the COBOL language.

This question belongs to: Static General Knowledge Inventions and Discoveries

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The concept of 'Universal Turing Machine', the structural basis for the modern digital computer, was discovered by whom?

A. Alan Turing

B. John von Neumann

C. Charles Babbage

D. Ada Lovelace

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Correct Answer: Option A

Explanation:
Alan Turing formulated the mathematical concept of a Turing Machine in 1936, simulating logical computing execution.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

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Who invented the fountain pen with an efficient ink capillary feed mechanism in 1884?

A. Lewis Waterman

B. William Thompson

C. John Loud

D. László Bíró

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Correct Answer: Option A

Explanation:
Lewis Edson Waterman patented the first practical fountain pen with a reliable ink feed mechanism.

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Question #3

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Who discovered the law of gas volume variations under changing pressures, known as the first gas law?

A. Jacques Charles

B. Amadeo Avogadro

C. Robert Boyle

D. Joseph Louis Gay-Lussac

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Correct Answer: Option C

Explanation:
Robert Boyle published Boyle's Law in 1662, establishing that pressure and volume of a gas are inversely proportional at constant temperature.

This question belongs to: Static General Knowledge Inventions and Discoveries

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