[ 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.

541. निम्नलिखित में से कौन primary storage device नहीं है?

[A] Magnetic tape

[B] Magnetic disk

[C] Optical disk

[D] All of above

541. Which of the following is not a primary storage device?

[A] Magnetic tape

[B] Magnetic disk

[C] Optical disk

[D] All of above

सही उत्तर: All of above

व्याख्या: ये सभी secondary storage devices हैं, primary storage नहीं।

Correct Answer: All of above

Explanation: All of these are secondary storage devices, not primary storage devices.

542. Analytical Engine का आविष्कार किसने किया?

[A] Blaise Pascal

[B] George Bool

[C] Charles Babbage

[D] Dr. Herman Hollerith

542. Who invented Analytical engine?

[A] Blaise Pascal

[B] George Bool

[C] Charles Babbage

[D] Dr. Herman Hollerith

सही उत्तर: Charles Babbage

व्याख्या: Charles Babbage ने Analytical Engine का आविष्कार किया था।

Correct Answer: Charles Babbage

Explanation: Charles Babbage invented the Analytical Engine.

543. Personal computer की CPU speed लगभग कितनी होती है?

[A] 32 KIPS

[B] 100 KIPS

[C] 1 MIPS

[D] None of these

543. CPU speed of a personal computer is

[A] 32 KIPS

[B] 100 KIPS

[C] 1 MIPS

[D] None of these

सही उत्तर: 1 MIPS

व्याख्या: पुराने personal computers की speed लगभग 1 MIPS होती थी।

Correct Answer: 1 MIPS

Explanation: The CPU speed of a personal computer is about 1 MIPS.

544. Disks में data store और retrieve करने के लिए circular divisions को क्या कहते हैं?

[A] tracks

[B] sectors

[C] cycles

[D] rings

544. Circular division of disks to store and retrieve data are known as

[A] tracks

[B] sectors

[C] cycles

[D] rings

सही उत्तर: tracks

व्याख्या: Disk की circular divisions को tracks कहा जाता है।

Correct Answer: tracks

Explanation: Circular divisions on disks are known as tracks.

545. कौन-सा statement सही है?

[A] 1KB = 1024 bytes

[B] 1 MB=2048 bytes

[C] 1 MB = 1000 kilobytes

[D] 1 KB = 1000 bytes

545. Which statement is valid?

[A] 1KB = 1024 bytes

[B] 1 MB=2048 bytes

[C] 1 MB = 1000 kilobytes

[D] 1 KB = 1000 bytes

सही उत्तर: 1KB = 1024 bytes

व्याख्या: 1 किलोबाइट = 1024 bytes होता है।

Correct Answer: 1KB = 1024 bytes

Explanation: 1KB is equal to 1024 bytes.

546. किसी odd decimal number के binary equivalent का least significant bit क्या होगा?

[A] 0

[B] 1

[C] 1 or 0

[D] 3

546. The least significant bit of the binary number, which is equivalent to any odd decimal number, is:

[A] 0

[B] 1

[C] 1 or 0

[D] 3

सही उत्तर: 1

व्याख्या: Odd decimal numbers का binary LSB हमेशा 1 होता है।

Correct Answer: 1

Explanation: The least significant bit of an odd binary number is always 1.

547. Latest PC keyboards किस प्रकार की circuit technology का उपयोग करते हैं?

[A] Capacitance keyboard

[B] Mechanical keyboard

[C] Qwerty keyboard

[D] Dvorak keyboard

547. The latest PC keyboards use a circuit that senses the movement by the change in its capacitance,

[A] Capacitance keyboard

[B] Mechanical keyboard

[C] Qwerty keyboard

[D] Dvorak keyboard

सही उत्तर: Capacitance keyboard

व्याख्या: आधुनिक keyboards capacitance sensing technology का उपयोग करते हैं।

Correct Answer: Capacitance keyboard

Explanation: Latest PC keyboards use capacitance keyboard technology.

548. Stepped Reckoner का आविष्कार किसने किया?

[A] John Napier

[B] William Oughtred

[C] Gottfried Leibnitz

[D] Blaise Pascal

548. The Stepped Reckoner was invented by

[A] John Napier

[B] William Oughtred

[C] Gottfried Leibnitz

[D] Blaise Pascal

सही उत्तर: Gottfried Leibnitz

व्याख्या: Stepped Reckoner का आविष्कार Gottfried Leibnitz ने किया था।

Correct Answer: Gottfried Leibnitz

Explanation: The Stepped Reckoner was invented by Gottfried Leibnitz.

549. Interconnected computer configuration को किस term से describe किया जाता है?

[A] Multiprogramming

[B] Modulation

[C] Multiprocessing

[D] Micro program sequence

549. A term used to describe interconnected computer configuration is

[A] Multiprogramming

[B] Modulation

[C] Multiprocessing

[D] Micro program sequence

सही उत्तर: Multiprocessing

व्याख्या: Multiprocessing interconnected computer systems को दर्शाता है।

Correct Answer: Multiprocessing

Explanation: Multiprocessing describes interconnected computer configurations.

550. PC में diskette insert करते समय label side किस दिशा में होनी चाहिए?

[A] East

[B] North

[C] South

[D] Up

550. While inserting a diskette into the diskette drive of a PC, the diskette’s label side should face

[A] East

[B] North

[C] South

[D] Up

सही उत्तर: Up

व्याख्या: Diskette की label side ऊपर की ओर होनी चाहिए।

Correct Answer: Up

Explanation: The label side of the diskette should face upward.