[ 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.
391. निम्नलिखित में से कौन-सा third generation computer नहीं है?
[A] IBM 360
[B] IBM 1401
[C] PDP-8
[D] HP2115
391. Which of the following is not a third generation computer?
[A] IBM 360
[B] IBM 1401
[C] PDP-8
[D] HP2115
सही उत्तर: IBM 1401
व्याख्या: IBM 1401 दूसरी पीढ़ी का कंप्यूटर था।
Correct Answer: IBM 1401
Explanation: IBM 1401 was a second generation computer.
392. Magnetic tape पर data block में contained records की संख्या किससे परिभाषित होती है?
[A] Block definition
[B] Record contain clause
[C] Blocking factor
[D] Record per block
392. The number of records contained within a block of data on magnetic tape is defined by the
[A] Block definition
[B] Record contain clause
[C] Blocking factor
[D] Record per block
सही उत्तर: Blocking factor
व्याख्या: Blocking factor एक block में records की संख्या बताता है।
Correct Answer: Blocking factor
Explanation: Blocking factor defines the number of records in a data block.
393. Mark I को अन्य किस नाम से जाना जाता है?
[A] American Sequence Controlled Calculator
[B] Automatic Sequence Calculating Controller
[C] American Sequence Controlled Computer
[D] Automatic Sequence Controlled Calculator
393. Mark I is also known as
[A] American Sequence Controlled Calculator
[B] Automatic Sequence Calculating Controller
[C] American Sequence Controlled Computer
[D] Automatic Sequence Controlled Calculator
सही उत्तर: Automatic Sequence Controlled Calculator
व्याख्या: Mark I का पूरा नाम Automatic Sequence Controlled Calculator था।
Correct Answer: Automatic Sequence Controlled Calculator
Explanation: Mark I was also known as Automatic Sequence Controlled Calculator.
394. निम्नलिखित में से कौन-सा register PC द्वारा pointed memory location की contents से load होता है?
[A] Memory address registers
[B] Memory data registers
[C] Instruction register
[D] Program counter
394. Which of the following registers is loaded with the contents of the memory location pointed by the PC?
[A] Memory address registers
[B] Memory data registers
[C] Instruction register
[D] Program counter
सही उत्तर: Instruction register
व्याख्या: Instruction register में वर्तमान instruction store होती है।
Correct Answer: Instruction register
Explanation: The instruction register stores the instruction fetched from memory.
395. Cost/Bit के अनुसार सबसे सस्ती memory devices कौन-सी हैं?
[A] Semiconductor memories
[B] Magnetic Disks
[C] Compact Disks
[D] Magnetic Tapes
395. Which of the following are the cheapest memory devices in terms of Cost/Bit?
[A] Semiconductor memories
[B] Magnetic Disks
[C] Compact Disks
[D] Magnetic Tapes
सही उत्तर: Magnetic Tapes
व्याख्या: Magnetic tapes का storage cost सबसे कम होता है।
Correct Answer: Magnetic Tapes
Explanation: Magnetic tapes are the cheapest storage devices in terms of cost per bit.
396. MIS effective decision making के लिए जानकारी किसे प्रदान करता है?
[A] Consumers
[B] Workers
[C] Foremen
[D] Managers
396. MIS is designed to provide information needed for effective decision making by?
[A] Consumers
[B] Workers
[C] Foremen
[D] Managers
सही उत्तर: Managers
व्याख्या: MIS का मुख्य उद्देश्य managers को निर्णय लेने में सहायता देना है।
Correct Answer: Managers
Explanation: MIS provides information to managers for decision making.
397. कौन-सा कथन सही है?
[A] 1 KB = 1024 Bytes
[B] 1 MB = 1024 Bytes
[C] 1 KB = 1000 Bytes
[D] 1 MB = 1000 Bytes
397. Which is valid statement
[A] 1 KB = 1024 Bytes
[B] 1 MB = 1024 Bytes
[C] 1 KB = 1000 Bytes
[D] 1 MB = 1000 Bytes
सही उत्तर: 1 KB = 1024 Bytes
व्याख्या: 1 किलोबाइट में 1024 bytes होते हैं।
Correct Answer: 1 KB = 1024 Bytes
Explanation: 1 KB equals 1024 bytes.
398. 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
398. 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.
399. पहला Mechanical Calculator किसने बनाया?
[A] Joseph Marie Jacquard
[B] John Mauchly
[C] Blaise Pascal
[D] Howard Aiken
399. 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.
400. Video disk का सबसे महत्वपूर्ण लाभ क्या है?
[A] Compactness
[B] Potential capacity
[C] Durability
[D] Cost effectiveness
400. 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.