[ 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.
411. Latency time क्या है?
[A] Time to spin the needed data under head
[B] Time to spin the needed data under track
[C] Time to spin data under sector
[D] All of above
411. Latency time is
[A] Time to spin the needed data under head
[B] Time to spin the needed data under track
[C] Time to spin data under sector
[D] All of above
सही उत्तर: Time to spin the needed data under head
व्याख्या: Latency time डिस्क के घूमकर data head के नीचे आने में लगने वाला समय है।
Correct Answer: Time to spin the needed data under head
Explanation: Latency time is the time required to rotate the needed data under the read/write head.
412. पहला Mechanical Calculator किसने बनाया?
[A] Joseph Marie Jacquard
[B] John Mauchly
[C] Blaise Pascal
[D] Howard Aiken
412. Who built the first Mechanical Calculator
[A] Joseph Marie Jacquard
[B] John Mauchly
[C] Blaise Pascal
[D] Howard Aiken
सही उत्तर: Blaise Pascal
व्याख्या: Blaise Pascal ने पहला mechanical calculator बनाया था।
Correct Answer: Blaise Pascal
Explanation: Blaise Pascal built the first mechanical calculator.
413. Video disk का सबसे महत्वपूर्ण लाभ क्या है?
[A] Compactness
[B] Potential capacity
[C] Durability
[D] Cost effectiveness
413. The most important advantage of a video disk is
[A] Compactness
[B] Potential capacity
[C] Durability
[D] Cost effectiveness
सही उत्तर: Potential capacity
व्याख्या: Video disks में बड़ी मात्रा में data store किया जा सकता है।
Correct Answer: Potential capacity
Explanation: The major advantage of video disks is their large storage capacity.
414. निम्नलिखित में से किस generation computers की operation cost महंगी थी?
[A] First
[B] Second
[C] Third
[D] Fourth
414. Which of the following generation computers had expensive operation cost?
[A] First
[B] Second
[C] Third
[D] Fourth
सही उत्तर: First
व्याख्या: First generation computers में vacuum tubes के कारण maintenance cost अधिक थी।
Correct Answer: First
Explanation: First generation computers had high operating costs.
415. IBM system/38 किस computer class का प्रतिनिधित्व करता है?
[A] Small-scale computer
[B] Medium-scale computer
[C] Large-scale computer
[D] Super computer
415. An IBM system/38 represents the computer class of:
[A] Small-scale computer
[B] Medium-scale computer
[C] Large-scale computer
[D] Super computer
सही उत्तर: Medium-scale computer
व्याख्या: IBM System/38 एक medium-scale computer था।
Correct Answer: Medium-scale computer
Explanation: IBM System/38 was a medium-scale computer.
416. Daisy wheel printer का दूसरा नाम क्या है?
[A] Petal printer
[B] Golf ball printer
[C] Laser printer
[D] Line printer
416. Another word for a daisy wheel printer
[A] Petal printer
[B] Golf ball printer
[C] Laser printer
[D] Line printer
सही उत्तर: Petal printer
व्याख्या: Daisy wheel printer को petal printer भी कहा जाता है।
Correct Answer: Petal printer
Explanation: Daisy wheel printer is also called a petal printer.
417. Cursor क्या है?
[A] Pixel
[B] Thin blinking line
[C] Pointing device
[D] None of these
417. Cursor is a ____
[A] Pixel
[B] Thin blinking line
[C] Pointing device
[D] None of these
सही उत्तर: Thin blinking line
व्याख्या: Cursor स्क्रीन पर blinking line के रूप में दिखाई देता है।
Correct Answer: Thin blinking line
Explanation: Cursor is a thin blinking line on the screen.
418. Data backup के लिए कौन-सा device उपयोग किया जाता है?
[A] Floppy Disk
[B] Tape
[C] Network Drive
[D] All of the above
418. Which device is used to backup the data?
[A] Floppy Disk
[B] Tape
[C] Network Drive
[D] All of the above
सही उत्तर: All of the above
व्याख्या: इन सभी devices का उपयोग backup के लिए किया जा सकता है।
Correct Answer: All of the above
Explanation: All these devices can be used for data backup.
419. यदि उद्देश्य multi carbon forms पर print करना है तो कौन-सा printer उपयोग नहीं करना चाहिए?
[A] Daisy wheel
[B] Dot matrix
[C] Laser
[D] Thimble
419. Which of the following printers are you sure will not to use if your objective is to print on multi carbon forms?
[A] Daisy wheel
[B] Dot matrix
[C] Laser
[D] Thimble
सही उत्तर: Laser
व्याख्या: Laser printer impact printer नहीं होता इसलिए carbon copies नहीं बना सकता।
Correct Answer: Laser
Explanation: Laser printers cannot print on multi-carbon forms.
420. निम्नलिखित में से कौन-से storage devices के उदाहरण हैं?
[A] Floppy / hard disks
[B] CD-ROMs
[C] Tape devices
[D] All of the above
420. Which of the following items are examples of storage devices?
[A] Floppy / hard disks
[B] CD-ROMs
[C] Tape devices
[D] All of the above
सही उत्तर: All of the above
व्याख्या: ये सभी storage devices के उदाहरण हैं।
Correct Answer: All of the above
Explanation: All these are examples of storage devices.