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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Question #1
The ballistic missile (V-2 rocket) was primarily invented by which scientist?
A. Konstantin Tsiolkovsky
B. Wernher von Braun
C. Robert Goddard
D. Hermann Oberth
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Correct Answer: Option B

Explanation:
Wernher von Braun was the leading figure in the development of the V-2 rocket in Nazi Germany and later NASA space vehicles.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #2
The invention of the common medical diagnostic tracking method known as the western blot for separating protein chains was developed by whom?
A. W. Neal Burnette
B. Kary Mullis
C. Edwin Southern
D. Alec Jeffreys
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Correct Answer: Option A

Explanation:
Burnette engineered the electroblotting analytical matrix protocol in 1979, naming it 'Western Blot' as a play on Southern's DNA blot method.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #3
Who invented the first mass-produced synthetic plastic material, Bakelite, in 1907?
A. Wallace Carothers
B. Alexander Parkes
C. John Wesley Hyatt
D. Leo Baekeland
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Correct Answer: Option D

Explanation:
Belgian-American chemist Leo Baekeland invented Bakelite, the first fully synthetic plastic valued for its electrical non-conductivity.
This question belongs to: Static General Knowledge Inventions and Discoveries
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