[ 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.
311. SMART CARD
311.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: Roland Moreno
व्याख्या: Chip based secure card
Correct Answer:
Explanation: Important question.
312. UPS
312.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: C. V. S. Rao (concept developed industry)
व्याख्या: Uninterruptible Power Supply system
Correct Answer:
Explanation: Important question.
313. INVERTER
313.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: Electrical engineering industry
व्याख्या: Power backup system
Correct Answer:
Explanation: Important question.
314. POWER SUPPLY
314.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: IBM / electronics industry
व्याख्या: Computer power system
Correct Answer:
Explanation: Important question.
315. DRONE
315.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: DARPA
व्याख्या: Unmanned aerial vehicle system
Correct Answer:
Explanation: Important question.
316. SMART WATCH
316.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: Apple / Samsung
व्याख्या: Wearable computing device
Correct Answer:
Explanation: Important question.
317. VR HEADSET
317.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: Oculus (Palmer Luckey)
व्याख्या: Virtual reality device
Correct Answer:
Explanation: Important question.
318. 3D PRINTER
318.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: Chuck Hull
व्याख्या: Additive manufacturing device
Correct Answer:
Explanation: Important question.
319. ROBOT
319.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: Joseph Engelberger
व्याख्या: Father of robotics
Correct Answer:
Explanation: Important question.
320. AI ASSISTANT
320.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: OpenAI / Google / Apple
व्याख्या: Voice AI system (Siri, Alexa, ChatGPT)
Correct Answer:
Explanation: Important question.