[ Computer Fundamental ]
झारखंड में आयोजित होने वाली JPSC, JSSC, JET, झारखंड पुलिस भर्ती परीक्षा आदि के लिए उपयोगी सामान्य अध्ययन।
[ Jharkhand General Knowledge & General Studies Questions ]
Useful GK for JPSC, JSSC, JET, Jharkhand Police and other exams.
561. Punched cards का आविष्कार किसने किया?
[A] Charles Babbage
[B] Dr. Herman Hollerith
[C] Howard Aikin
[D] Joseph Jacquard
561. Who invented punched cards?
[A] Charles Babbage
[B] Dr. Herman Hollerith
[C] Howard Aikin
[D] Joseph Jacquard
सही उत्तर: Joseph Jacquard
व्याख्या: Joseph Jacquard ने punched cards का उपयोग loom machines में किया था।
Correct Answer: Joseph Jacquard
Explanation: Joseph Jacquard invented punched cards.
562. प्रत्येक computer model की अपनी unique क्या होती है?
[A] Assembly of a computer
[B] Machine language
[C] High level language
[D] All of the above
562. Each model of a computer has a unique
[A] Assembly of a computer
[B] Machine language
[C] High level language
[D] All of the above
सही उत्तर: Machine language
व्याख्या: हर computer model की अपनी unique machine language होती है।
Correct Answer: Machine language
Explanation: Each computer model has its own unique machine language.
563. निम्नलिखित में से कौन primary storage device नहीं है?
[A] Magnetic tape
[B] Magnetic disk
[C] Optical disk
[D] All of the above
563. Which of the following is not a primary storage device?
[A] Magnetic tape
[B] Magnetic disk
[C] Optical disk
[D] All of the above
सही उत्तर: All of the above
व्याख्या: ये सभी secondary storage devices हैं।
Correct Answer: All of the above
Explanation: All of these are secondary storage devices.
564. Punched card system में data को किसके द्वारा process किया जाता है?
[A] Keypunch machine, sorter and posting machine
[B] Accounting machine, posting machine, and billing machine
[C] Sorter, posting machine, and billing machine
[D] Accounting machine, keypunch machine and sorter
564. In a punched card system, data is processed by a
[A] Keypunch machine, sorter and posting machine
[B] Accounting machine, posting machine, and billing machine
[C] Sorter, posting machine, and billing machine
[D] Accounting machine, keypunch machine and sorter
सही उत्तर: Keypunch machine, sorter and posting machine
व्याख्या: Punched card system में keypunch, sorter और posting machine उपयोग किए जाते थे।
Correct Answer: Keypunch machine, sorter and posting machine
Explanation: Punched card systems used keypunch, sorter and posting machines for processing.
565. Internet connection के लिए कौन-सा device आवश्यक है?
[A] Joystick
[B] Modem
[C] CD Drive
[D] NIC Card
565. Which device is required for the Internet connection?
[A] Joystick
[B] Modem
[C] CD Drive
[D] NIC Card
सही उत्तर: Modem
व्याख्या: Internet connection के लिए modem का उपयोग किया जाता है।
Correct Answer: Modem
Explanation: A modem is required for Internet connection.
566. Multiplication और division के लिए उपयोग होने वाले rods के set को क्या कहा जाता है?
[A] Pascaline
[B] Napier’s Bones
[C] Stepped Reckoner
[D] Slide Rule
566. A set of rods where numbers were carved and used for multiplication and division aids is known as
[A] Pascaline
[B] Napier’s Bones
[C] Stepped Reckoner
[D] Slide Rule
सही उत्तर: Napier’s Bones
व्याख्या: Napier’s Bones multiplication और division में सहायता के लिए उपयोग किए जाते थे।
Correct Answer: Napier’s Bones
Explanation: Napier’s Bones were used as aids for multiplication and division.
567. Seek time क्या है?
[A] time to position the head over proper track
[B] time to position the head over proper sector
[C] time to position the head over proper cylinder
[D] none of above
567. Seek time is
[A] time to position the head over proper track
[B] time to position the head over proper sector
[C] time to position the head over proper cylinder
[D] none of above
सही उत्तर: time to position the head over proper track
व्याख्या: Seek time वह समय है जिसमें read/write head सही track तक पहुँचती है।
Correct Answer: time to position the head over proper track
Explanation: Seek time is the time required to position the head over the proper track.
568. Tape speed को किसमें measure किया जाता है?
[A] Feet per second
[B] Inch per second
[C] Meter per second
[D] Centimeter per second
568. Tape speed is measured in
[A] Feet per second
[B] Inch per second
[C] Meter per second
[D] Centimeter per second
सही उत्तर: Inch per second
व्याख्या: Tape speed सामान्यतः inches per second में मापी जाती है।
Correct Answer: Inch per second
Explanation: Tape speed is usually measured in inches per second.
569. Punched cards सबसे पहले किसने प्रस्तुत किए?
[A] Powers
[B] Pascal
[C] Jacquard
[D] Herman Hollerith
569. Punched cards were first introduced by
[A] Powers
[B] Pascal
[C] Jacquard
[D] Herman Hollerith
सही उत्तर: Jacquard
व्याख्या: Jacquard ने punched cards का पहला उपयोग किया था।
Correct Answer: Jacquard
Explanation: Punched cards were first introduced by Jacquard.
570. कौन-से computer co-processors को support करते हैं?
[A] XT computer
[B] AT computers
[C] None of these
[D] Both of these
570. Which computer support co-processors?
[A] XT computer
[B] AT computers
[C] None of these
[D] Both of these
सही उत्तर: AT computers
व्याख्या: AT computers co-processors को support करते हैं।
Correct Answer: AT computers
Explanation: AT computers support co-processors.