Who invented the first practical electronic calculator utilizing a microprocessor chip? MCQ with Answer and Explanation
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Question #1
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The invention of the common household aerosol spray can configuration was developed by whom?
Correct Answer: Option C
Explanation:
Norwegian engineer Erik Rotheim patented the first aerosol can layout featuring pressure valves and liquid propellant mixtures in 1926.
Norwegian engineer Erik Rotheim patented the first aerosol can layout featuring pressure valves and liquid propellant mixtures in 1926.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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Who invented the global positioning system (GPS) structural architecture alongside Ivan Getting and Bradford Parkinson?
Correct Answer: Option B
Explanation:
Gladys West's mathematical modeling of the Earth's geoid shape was critical to developing the calculations behind accurate GPS tracking.
Gladys West's mathematical modeling of the Earth's geoid shape was critical to developing the calculations behind accurate GPS tracking.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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The invention of the first functional high-voltage electrostatic generator capsule was designed by whom?
Correct Answer: Option C
Explanation:
Van de Graaff invented the high-potential belt-driven static generator in 1929 for particle acceleration experiments.
Van de Graaff invented the high-potential belt-driven static generator in 1929 for particle acceleration experiments.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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