The invention of the common electronic storage method known as the floppy disk was developed by which company? MCQ with Answer and Explanation

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The invention of the common electronic storage method known as the floppy disk was developed by which company?

A. IBM engineering team led by Alan Shugart

B. Xerox

C. Apple

D. Sony

Answer: Option A

Solution (By JKSSB Mock Tests)

IBM introduced the 8-inch magnetic coated flexible disk system in 1971 to load microcode patches into mainframes.

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 communication infrastructure known as the optical telegraph line network was built by whom?

A. Alexander Graham Bell

B. Claude Chappe

C. Samuel Morse

D. Guglielmo Marconi

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Correct Answer: Option B

Explanation:
Chappe constructed a successful nationwide semaphore visual optical tower network across France in the 1790s.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

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Who is credited with the invention of the submarine 'Turtle', used in military action?

A. John Philip Holland

B. Cornelis Drebbel

C. David Bushnell

D. Robert Fulton

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Correct Answer: Option C

Explanation:
David Bushnell invented the Turtle in 1775, the first submarine ever used in combat.

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Question #3

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

A. Gilbert Lewis

B. Alfred Werner

C. Dmitri Mendeleev

D. Linus Pauling

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Correct Answer: Option B

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

This question belongs to: Static General Knowledge Inventions and Discoveries

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