The invention of the common computing operating system layout known as Unix was co-developed by whom? MCQ with Answer and Explanation

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The invention of the common computing operating system layout known as Unix was co-developed by whom?

A. Linus Torvalds

B. Ken Thompson and Dennis Ritchie

C. Bill Gates

D. Steve Jobs

Answer: Option B

Solution (By JKSSB Mock Tests)

Thompson and Ritchie engineered Unix at Bell Labs in 1969, establishing foundational standards for multitasking operating systems.

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 household vacuum storage device known as the Thermos Flask was developed by whom?

A. James Joule

B. Thomas Edison

C. James Dewar

D. Willis Carrier

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Correct Answer: Option C

Explanation:
Sir James Dewar invented the double-walled vacuum-insulated silvered glass flask in 1892 to isolate cryogenic liquefied gases.

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Question #2

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Who discovered the primary biological pattern detailing that DNA nucleotide bases match in specific pairs ($A=T, G=C$)?

A. James Watson

B. Erwin Chargaff

C. Francis Crick

D. Rosalind Franklin

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Correct Answer: Option B

Explanation:
Chargaff's Rules established the 1:1 stoichiometric ratios of purines to pyrimidines, providing a key clue for Watson and Crick's model.

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Question #3

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The discovery of the Raman Effect, which won the Nobel Prize in Physics in 1930, was made by whom?

A. Satyendra Nath Bose

B. Jagadish Chandra Bose

C. C.V. Raman

D. Homi J. Bhabha

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Correct Answer: Option C

Explanation:
Sir Chandrasekhara Venkata Raman discovered the inelastic scattering of light, known as the Raman Effect, on February 28, 1928.

This question belongs to: Static General Knowledge Inventions and Discoveries

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