Who invented the first functional integrated circuit (microchip) in 1958? MCQ with Answer and Explanation

Question
Who invented the first functional integrated circuit (microchip) in 1958?
A. Jack Kilby and Robert Noyce
B. Douglas Engelbart
C. John Bardeen
D. Alan Turing
Answer: Option A
Solution (By JKSSB Mock Tests)
Jack Kilby of Texas Instruments constructed the first working monolithic integrated circuit on a germanium chip, winning a Nobel Prize.
This question belongs to: Static General Knowledge Inventions and Discoveries
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Question #1
Who discovered that certain types of organic crystals display liquid fluid mobility while maintaining optical structural alignment, founding Liquid Crystals?
A. Justus von Liebig
B. Friedrich Reinitzer
C. Leo Baekeland
D. Otto Lehmann
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Correct Answer: Option B

Explanation:
Austrian botanist Reinitzer discovered the distinct dual melting profile of cholesteryl benzoate in 1888.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #2
The invention of the highly efficient multi-plate safety storage match box strip containing antimony trisulfide was pioneered where?
A. United States
B. England
C. Germany
D. Sweden
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Correct Answer: Option D

Explanation:
Swedish manufacturing optimization made safety matches affordable and standard globally during the 19th century.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #3
Who discovered the first human virus ever identified, the Yellow Fever virus?
A. Robert Koch
B. Walter Reed and his team
C. Louis Pasteur
D. Dmitri Ivanovsky
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Correct Answer: Option B

Explanation:
The U.S. Army Yellow Fever Commission led by Walter Reed isolated and proved the disease was caused by a filterable virus vector.
This question belongs to: Static General Knowledge Inventions and Discoveries
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