The invention of the common computing tracking protocol known as the Ethernet local network architecture was co-developed by whom? MCQ with Answer and Explanation

Question

The invention of the common computing tracking protocol known as the Ethernet local network architecture was co-developed by whom?

A. Douglas Engelbart

B. Robert Metcalfe

C. Vint Cerf

D. Tim Berners-Lee

Answer: Option B

Solution (By JKSSB Mock Tests)

Robert Metcalfe co-invented Ethernet at Xerox PARC in 1973, linking internal computer terminals across localized hardware networks.

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 mechanical transport mechanism known as the bicycle chain drive system was optimized by whom?

A. Karl Benz

B. Henry Ford

C. Harry John Lawson and John Kemp Starley

D. Wright Brothers

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Correct Answer: Option C

Explanation:
Starley engineered the 'Rover Safety Bicycle' in 1885, featuring equal-sized wheels and rear-wheel chain driving mechanisms.

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Question #2

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The law of gas pressure stating that total pressure equals the sum of partial pressures was formulated by whom?

A. Jacques Charles

B. Joseph Louis Gay-Lussac

C. Robert Boyle

D. John Dalton

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Correct Answer: Option D

Explanation:
John Dalton formulated Dalton's Law of Partial Pressures in 1801 as part of his atmospheric research.

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Question #3

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Who discovered the first recognized hormonal messenger molecule in the human body, Secretin?

A. Karl Landsteiner

B. Frederick Banting

C. Charles Best

D. William Bayliss and Ernest Starling

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Correct Answer: Option D

Explanation:
Bayliss and Starling isolated secretin in 1902, discovering chemical signaling loops that function independently of direct nervous inputs.

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