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. Tim Berners-Lee

C. Vint Cerf

D. Robert Metcalfe

Answer: Option D

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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Who discovered that certain types of biological bacteria live completely without oxygen coordinates, establishing anaerobic pathways?

A. Louis Pasteur

B. Edward Jenner

C. Alexander Fleming

D. Robert Koch

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Correct Answer: Option A

Explanation:
Pasteur discovered butyric acid fermentation bacteria in 1861, proving that life can persist without atmospheric oxygen.

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Question #2

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The invention of the common electronic operating layout known as the Graphical User Interface (GUI) was pioneered by which lab?

A. Xerox PARC

B. Apple Computers

C. Microsoft

D. IBM Research

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Correct Answer: Option A

Explanation:
Xerox Palo Alto Research Center (PARC) engineered the Alto computer featuring mouse-driven windows, menus, and file icons.

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Question #3

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Who discovered the link between electricity and magnetism by observing a compass needle deflect near a current-carrying wire in 1820?

A. André-Marie Ampère

B. Hans Christian Ørsted

C. James Clerk Maxwell

D. Michael Faraday

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Correct Answer: Option B

Explanation:
Hans Christian Ørsted discovered electromagnetism when he noticed an electric current deflected a magnetic compass needle.

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