The invention of the widely used computer programming language C was developed by whom at Bell Labs in 1972? MCQ with Answer and Explanation

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The invention of the widely used computer programming language C was developed by whom at Bell Labs in 1972?

A. Dennis Ritchie

B. Guido van Rossum

C. James Gosling

D. Bjarne Stroustrup

Answer: Option A

Solution (By JKSSB Mock Tests)

Dennis Ritchie created the C language to rewrite the Unix operating system, laying foundations for modern system software.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Question #1

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The invention of the common chemical element symbol notation system ($H, O, Ca$) used today was developed by whom?

A. Jöns Jacob Berzelius

B. Antoine Lavoisier

C. John Dalton

D. Dmitri Mendeleev

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Correct Answer: Option A

Explanation:
Berzelius introduced letter symbols based on Latin element names in 1813, replacing Dalton's cumbersome symbolic diagrams.

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Question #2

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Who discovered that structural chemical atoms are arranged in strict configurations characterized by coordination numbers, founding inorganic stereochemistry?

A. Linus Pauling

B. Dmitri Mendeleev

C. Gilbert Lewis

D. Alfred Werner

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Correct Answer: Option D

Explanation:
Alfred Werner proposed the coordination theory of complex inorganic compounds, winning the 1913 Nobel Prize in Chemistry.

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Question #3

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Who discovered the true nature of combustion as an oxidation process, disproving the phlogiston theory?

A. John Dalton

B. Robert Boyle

C. Joseph Priestley

D. Antoine Lavoisier

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Correct Answer: Option D

Explanation:
Antoine Lavoisier demonstrated that combustion involves elements chemically combining with oxygen.

This question belongs to: Static General Knowledge Inventions and Discoveries

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