The invention of the widely used computer programming language C was developed by whom at Bell Labs in 1972? MCQ with Answer and Explanation
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Question #1
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The invention of the common mechanical device known as the modern coin-operated parking meter was patented by whom?
Correct Answer: Option A
Explanation:
Carl Magee patented the 'Park-O-Meter' in Oklahoma City in 1935 to regulate downtown vehicle traffic turnover.
Carl Magee patented the 'Park-O-Meter' in Oklahoma City in 1935 to regulate downtown vehicle traffic turnover.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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Who invented the relational database management model (RDBMS), organizing data into structured rows and tables?
Correct Answer: Option A
Explanation:
Edgar F. Codd formulated the structural relational database design theory while working at IBM in 1970.
Edgar F. Codd formulated the structural relational database design theory while working at IBM in 1970.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who discovered that the planet Uranus possesses a distinct set of narrow equatorial rings?
Correct Answer: Option C
Explanation:
The rings of Uranus were discovered in 1977 during airborne stellar occultation observations, when the planet blocked a background star's light.
The rings of Uranus were discovered in 1977 during airborne stellar occultation observations, when the planet blocked a background star's light.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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