[ All computer questions and answers ]
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[ Jharkhand General Knowledge & General Studies Questions ]
Useful GK for JPSC, JSSC, JET, Jharkhand Police and other exams.
781. Computer में ports के माध्यम से क्या आता-जाता है?
[A] A) Data
[B] B) Bytes
[C] C) Graphics
[D] D) Pictures
781. ......................... passes into and out from the computer via its ports?
[A] A) Data
[B] B) Bytes
[C] C) Graphics
[D] D) Pictures
सही उत्तर: A
व्याख्या: Ports के माध्यम से computer में data का आदान-प्रदान होता है।
Correct Answer: A
Explanation: Data passes into and out of a computer via its ports.
782. Magnetic medium पर recorded words/messages को audio response में बदलने वाला output device कौन-सा है?
[A] A) Magnetic tape
[B] B) Voice response unit
[C] C) Voice recognition unit
[D] D) Voice band
782. An output device that uses words/messages recorded on a magnetic medium to produce audio response is
[A] A) Magnetic tape
[B] B) Voice response unit
[C] C) Voice recognition unit
[D] D) Voice band
सही उत्तर: B
व्याख्या: Voice Response Unit recorded messages को audio output में बदलता है।
Correct Answer: B
Explanation: A Voice Response Unit converts recorded messages into audio output.
783. कौन-सा removable storage media है?
[A] A) Removable hard disk cartridges
[B] B) Magneto optical disk
[C] C) Flexible disks cartridges
[D] D) All of the above
783. Which of the items below are considered removable storage media?
[A] A) Removable hard disk cartridges
[B] B) Magneto optical disk
[C] C) Flexible disks cartridges
[D] D) All of the above
सही उत्तर: D
व्याख्या: ये सभी removable storage media हैं।
Correct Answer: D
Explanation: All listed options are removable storage media.
784. कौन-सा पूरी तरह output device नहीं है?
[A] A) Screen
[B] B) Printer
[C] C) Speaker
[D] D) Plotter
784. Which of the following is not purely output device?
[A] A) Screen
[B] B) Printer
[C] C) Speaker
[D] D) Plotter
सही उत्तर: C
व्याख्या: Speaker को कभी-कभी input-output दोनों में classify किया जाता है (interactive systems में)।
Correct Answer: C
Explanation: Speaker is not always considered a purely output device in all contexts.
785. 17वीं सदी में किसने गणना करने वाली mechanical device विकसित की?
[A] A) Napier
[B] B) Babbage
[C] C) Pascal
[D] D) Leibniz
785. Who developed a mechanical device in the 17 century that could add, subtract, multiply, divide and find square roots?
[A] A) Napier
[B] B) Babbage
[C] C) Pascal
[D] D) Leibniz
सही उत्तर: D
व्याख्या: Leibniz ने mechanical calculator विकसित किया था।
Correct Answer: D
Explanation: Leibniz developed an early mechanical calculator.
786. First Macintosh computer किस generation का था?
[A] A) First generation
[B] B) Second generation
[C] C) Third generation
[D] D) Fourth generation
786. The first Macintosh computer was from
[A] A) First generation
[B] B) Second generation
[C] C) Third generation
[D] D) Fourth generation
सही उत्तर: D
व्याख्या: Macintosh computers fourth generation में आते हैं।
Correct Answer: D
Explanation: The first Macintosh belongs to the fourth generation of computers.
787. निम्न में से कौन-सा data का form नहीं है?
[A] A) numbers and characters
[B] B) images
[C] C) sound
[D] D) none of above
787. Which of the following is not a form of data?
[A] A) numbers and characters
[B] B) images
[C] C) sound
[D] D) none of above
सही उत्तर: D
व्याख्या: सभी options data के forms हैं।
Correct Answer: D
Explanation: All listed options are valid forms of data.
788. कौन-सा कंप्यूटर classification नहीं है?
[A] A) mainframe
[B] B) max frame
[C] C) mini computer
[D] D) notebook
788. Which is not a computer classification?
[A] A) mainframe
[B] B) max frame
[C] C) mini computer
[D] D) notebook
सही उत्तर: B
व्याख्या: Max frame नाम का कोई standard computer classification नहीं होता है।
Correct Answer: B
Explanation: Max frame is not a valid computer classification.
789. Microprocessor का control unit क्या करता है?
[A] A) Stores data in the memory
[B] B) Accepts input data from keyboard
[C] C) Performs arithmetic/logic function
[D] D) None of above
789. The control unit of a microprocessor
[A] A) Stores data in the memory
[B] B) Accepts input data from keyboard
[C] C) Performs arithmetic/logic function
[D] D) None of above
सही उत्तर: C
व्याख्या: Control unit processing और arithmetic/logic operations को manage करता है।
Correct Answer: C
Explanation: Control unit handles arithmetic and logical operations.
790. Internal memory कौन-सी है?
[A] A) Disks
[B] B) Pen Drives
[C] C) RAM
[D] D) CDs
790. Which of the following is internal memory?
[A] A) Disks
[B] B) Pen Drives
[C] C) RAM
[D] D) CDs
सही उत्तर: C
व्याख्या: RAM primary/internal memory होती है।
Correct Answer: C
Explanation: RAM is internal memory.