[ Invention & Inventors ]

झारखंड में आयोजित होने वाली JPSC, JSSC, JET, झारखंड पुलिस भर्ती परीक्षा आदि के लिए उपयोगी सामान्य अध्ययन।

[ Invention & Inventors ]

Useful GK for JPSC, JSSC, JET, Jharkhand Police and other exams.
121. POSTGRESQL
121.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: University of California
व्याख्या: Open source DBMS
Correct Answer:
Explanation: Important question.
122. GOOGLE
122.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: Larry Page and Sergey Brin
व्याख्या: Search engine
Correct Answer:
Explanation: Important question.
123. FACEBOOK
123.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: Mark Zuckerberg
व्याख्या: Social networking platform
Correct Answer:
Explanation: Important question.
124. YOUTUBE
124.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: Chad Hurley, Steve Chen, Jawed Karim
व्याख्या: Video sharing platform
Correct Answer:
Explanation: Important question.
125. WHATSAPP
125.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: Jan Koum and Brian Acton
व्याख्या: Messaging app
Correct Answer:
Explanation: Important question.
126. INSTAGRAM
126.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: Kevin Systrom and Mike Krieger
व्याख्या: Photo sharing app
Correct Answer:
Explanation: Important question.
127. TWITTER
127.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: Jack Dorsey
व्याख्या: Microblogging platform
Correct Answer:
Explanation: Important question.
128. COMPUTER MOUSE
128.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: Douglas Engelbart
व्याख्या: Pointing device inventor
Correct Answer:
Explanation: Important question.
129. COMPUTER
129.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: Charles Babbage
व्याख्या: Father of computer
Correct Answer:
Explanation: Important question.
130. ATM
130.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: John Shepherd-Barron
व्याख्या: Automated teller machine
Correct Answer:
Explanation: Important question.