Who was the first person to develop a commercial transistor? MCQ with Answer and Explanation

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Who was the first person to develop a commercial transistor?

A. Robert Noyce

B. Bardeen, Brattain, and Shockley

C. Jack Kilby

D. Gordon Moore

Answer: Option B

Solution (By JKSSB Mock Tests)

They invented the transistor at Bell Labs in 1947.

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Which country had the first written constitution in the world?

A. San Marino

B. France

C. USA

D. Norway

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Correct Answer: Option A

Explanation:
San Marino's Constitution (Statutes of 1600) is often cited as the oldest written constitution still in use.

This question belongs to: Static General Knowledge First in the World

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Who was the first to reach the summit of Hidden Peak (Gasherbrum I)?

A. Andrew Kauffman and Pete Schoening

B. Hermann Buhl

C. Fritz Moravec

D. Reinhold Messner

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Correct Answer: Option A

Explanation:
American expedition in 1958.

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Question #3

Who discovered the TRAPPIST-1 system?

A. Kepler team

B. Both contributed

C. NASA

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Correct Answer: Option D

Explanation:
Gillon's team discovered the system.

This question belongs to: Static General Knowledge First in the World

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