[ Invention & Inventors ]

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[ Invention & Inventors ]

Useful GK for JPSC, JSSC, JET, Jharkhand Police and other exams.
291. MONITOR
291.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: John Logie Baird (early display concepts)
व्याख्या: Display output device
Correct Answer:
Explanation: Important question.
292. PLOTTER
292.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: Remington-Rand
व्याख्या: Large scale drawing device
Correct Answer:
Explanation: Important question.
293. SPEAKER
293.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: C. W. Rice and E. W. Kellogg
व्याख्या: Audio output device
Correct Answer:
Explanation: Important question.
294. ROUTER
294.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: Cisco Systems
व्याख्या: Network routing device
Correct Answer:
Explanation: Important question.
295. SWITCH
295.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: IBM / Networking industry
व्याख्या: Network switching device
Correct Answer:
Explanation: Important question.
296. MODEM
296.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: AT&T Bell Labs
व्याख्या: Modulation demodulation device
Correct Answer:
Explanation: Important question.
297. ACCESS POINT
297.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: Wi-Fi Alliance
व्याख्या: Wireless network device
Correct Answer:
Explanation: Important question.
298. HUB
298.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: Networking industry
व्याख्या: Basic network distribution device
Correct Answer:
Explanation: Important question.
299. HARD DISK
299.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: IBM
व्याख्या: Magnetic storage device
Correct Answer:
Explanation: Important question.
300. SSD
300.
[A]
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[B]
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[C]
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[D]
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सही उत्तर: SanDisk / Samsung
व्याख्या: Solid state storage device
Correct Answer:
Explanation: Important question.