[ 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.
31. ORACLE DATABASE
31.
[A]
Warning: Undefined array key "option1_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 267
[B]
Warning: Undefined array key "option2_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 268
[C]
Warning: Undefined array key "option3_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 269
[D]
Warning: Undefined array key "option4_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 270
सही उत्तर: Larry Ellison
व्याख्या: Enterprise database system
Correct Answer:
Explanation: Important question.
32. MONGODB
32.
[A]
Warning: Undefined array key "option1_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 267
[B]
Warning: Undefined array key "option2_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 268
[C]
Warning: Undefined array key "option3_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 269
[D]
Warning: Undefined array key "option4_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 270
सही उत्तर: MongoDB Inc.
व्याख्या: NoSQL database system
Correct Answer:
Explanation: Important question.
33. SQL SERVER
33.
[A]
Warning: Undefined array key "option1_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 267
[B]
Warning: Undefined array key "option2_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 268
[C]
Warning: Undefined array key "option3_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 269
[D]
Warning: Undefined array key "option4_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 270
सही उत्तर: Microsoft
व्याख्या: Database management system
Correct Answer:
Explanation: Important question.
34. POSTGRESQL
34.
[A]
Warning: Undefined array key "option1_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 267
[B]
Warning: Undefined array key "option2_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 268
[C]
Warning: Undefined array key "option3_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 269
[D]
Warning: Undefined array key "option4_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 270
सही उत्तर: University of California
व्याख्या: Open source database system
Correct Answer:
Explanation: Important question.
35. WINDOWS
35.
[A]
Warning: Undefined array key "option1_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 267
[B]
Warning: Undefined array key "option2_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 268
[C]
Warning: Undefined array key "option3_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 269
[D]
Warning: Undefined array key "option4_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 270
सही उत्तर: Microsoft (Bill Gates)
व्याख्या: Graphical operating system
Correct Answer:
Explanation: Important question.
36. LINUX
36.
[A]
Warning: Undefined array key "option1_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 267
[B]
Warning: Undefined array key "option2_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 268
[C]
Warning: Undefined array key "option3_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 269
[D]
Warning: Undefined array key "option4_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 270
सही उत्तर: Linus Torvalds
व्याख्या: Open source operating system
Correct Answer:
Explanation: Important question.
37. ANDROID
37.
[A]
Warning: Undefined array key "option1_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 267
[B]
Warning: Undefined array key "option2_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 268
[C]
Warning: Undefined array key "option3_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 269
[D]
Warning: Undefined array key "option4_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 270
सही उत्तर: Google
व्याख्या: Mobile operating system
Correct Answer:
Explanation: Important question.
38. IOS
38.
[A]
Warning: Undefined array key "option1_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 267
[B]
Warning: Undefined array key "option2_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 268
[C]
Warning: Undefined array key "option3_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 269
[D]
Warning: Undefined array key "option4_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 270
सही उत्तर: Apple Inc.
व्याख्या: Apple mobile OS
Correct Answer:
Explanation: Important question.
39. SNAPCHAT
39.
[A]
Warning: Undefined array key "option1_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 267
[B]
Warning: Undefined array key "option2_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 268
[C]
Warning: Undefined array key "option3_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 269
[D]
Warning: Undefined array key "option4_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 270
सही उत्तर: Evan Spiegel
व्याख्या: Disappearing message app
Correct Answer:
Explanation: Important question.
40. LINKEDIN
40.
[A]
Warning: Undefined array key "option1_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 267
[B]
Warning: Undefined array key "option2_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 268
[C]
Warning: Undefined array key "option3_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 269
[D]
Warning: Undefined array key "option4_eng" in /home/u808685320/domains/jharkhandexamprep.in/public_html/mcqs/invention_questions.php on line 270
सही उत्तर: Reid Hoffman
व्याख्या: Professional networking platform
Correct Answer:
Explanation: Important question.