1.
. कंप्यूटर एक स्वचालित मशीन है जो किस श्रंखला में कार्य करती है ?
Correct Answer
C. इनपुट, प्रोसेस, आउटपुट
Explanation
A computer works in a sequence of steps, starting with taking input from the user or another source, then processing that input to perform calculations or operations, and finally producing output in the form of results or information. Therefore, the correct order of the steps in which a computer works is input, process, and output.
2.
. पहला यांत्रिक कंप्यूटर कौनसा है?
Correct Answer
C. पास्कल एडिंग मशीन
Explanation
The Pascaline, invented by Blaise Pascal in 1642, is considered to be the first mechanical computer. It was a mechanical calculator that could perform addition and subtraction. It consisted of a series of gears and wheels that could be manipulated to input numbers and perform calculations. The Pascaline was a significant advancement in computing technology and paved the way for future developments in the field.
3.
. विश्व का पहला डिजिटल कंप्यूटर कौनसा है?
Correct Answer
A. यूनिवेक
Explanation
The correct answer is "यूनिवेक". यूनिवेक is considered to be the first digital computer in the world. It was developed by a team of scientists led by John W. Mauchly and J. Presper Eckert at the University of Pennsylvania in the United States. The computer was completed in 1945 and was used for various calculations and computations. It played a significant role in the development of modern computers and computing technology.
4.
. प्रथम पीढी के कंप्यूटर किस सिद्धांत पर कार्य करते थे?
Correct Answer
B. स्टोर प्रोग्राम
Explanation
The first generation of computers worked on the principle of "store program" where both the instructions and data were stored in the computer's memory. This allowed for more flexibility and efficiency in executing different programs, as the computer could access and execute instructions from memory rather than relying on fixed wiring or switches.
5.
. प्रथम पीढी के कंप्यूटरर्स में निम्न में से किस का प्रयोग किया जाता था?
Correct Answer
B. वैक्यूम टूयूब
Explanation
The correct answer is "वैक्यूम टूयूब" (Vacuum tube). In the early generation of computers, vacuum tubes were used as electronic components for amplification and switching purposes. These vacuum tubes were large, fragile, and consumed a lot of power. They were eventually replaced by transistors, which were smaller, more reliable, and consumed less power. Therefore, the use of vacuum tubes was prevalent in the first generation of computers.
6.
. प्रथम पीढी का मुख्य कंप्यूटर था?
Correct Answer
A. एनिएक
Explanation
The correct answer is एनिएक.
7.
. गणना करने से संभंधित पहला कंप्यूटर कौनसा है?
Correct Answer
B. अबेकस
Explanation
The correct answer is Abacus. An abacus is considered the first computing device as it is a simple tool used for performing arithmetic calculations. It consists of a series of rods or wires with beads that can be moved back and forth to represent numbers. By manipulating the beads, one can add, subtract, multiply, and divide numbers. Although it is a manual tool, it laid the foundation for later mechanical and electronic computing devices.
8.
. कंप्यूटर का जनक किसे कहा जाता है?
Correct Answer
C. चार्ल्स बेवेज
9.
. द्वितीय पीढी के कंप्यूटरर्स में निम्न में से किस का प्रयोग किया जाता था?
Correct Answer
A. ट्रांजिस्टर
Explanation
Transistors were used in computers of the second generation.
10.
. द्वितीय पीढी का मुख्य कंप्यूटर कौन सा है?
Correct Answer
D. यूनिवेक
Explanation
The correct answer is "यूनिवेक". The question is asking for the main computer of the second generation. Among the given options, यूनिवेक is the most suitable answer as it was one of the mainframe computers developed during the second generation of computers.
11.
. प्रथम माइक्रो प्रोसेसर चिप का विकास किस के द्वारा किया गया था?
Correct Answer
A. इंटेल कॉर्पोरेशन
Explanation
The development of the first microprocessor chip was done by Intel Corporation.
12.
. चतुर्थ पीढी के कंप्यूटरर्स में निम्न में से किस का प्रयोग किया गया था?
Correct Answer
B. लार्ज स्केल इंटिग्रेटेड सर्किट
Explanation
The correct answer is "लार्ज स्केल इंटिग्रेटेड सर्किट" (Large Scale Integrated Circuit). During the fourth generation of computers, the use of large-scale integrated circuits became prevalent. These circuits allowed for the integration of a large number of transistors, resistors, and capacitors onto a single chip, leading to smaller and more efficient computers. This advancement in technology revolutionized the field of computing and paved the way for the development of modern computers.
13.
. एनालोग कंप्यूटर किस आधार पर कार्य करता है?
Correct Answer
B. ताप, दाब, गति, विद्युत प्रवाह
Explanation
Analog computers work based on physical quantities such as temperature, pressure, velocity, and electrical current. These physical quantities are continuously variable, unlike digital computers that work with discrete values of 0 and 1. Therefore, the correct answer is "ताप, दाब, गति, विद्युत प्रवाह" which translates to "temperature, pressure, velocity, and electrical current".
14.
. डिजिटल कंप्यूटर किस नंबर सिस्टम पर कार्य करता है?
Correct Answer
D. बाइनरी
Explanation
डिजिटल कंप्यूटर बाइनरी नंबर सिस्टम पर कार्य करता है। बाइनरी नंबर सिस्टम में केवल दो अंक होते हैं, 0 और 1। इसके द्वारा कंप्यूटर डेटा को प्रसंस्करण करता है, जहां सभी डेटा 0 और 1 के बिट्स के रूप में प्रतिष्ठित होता है। यह नंबर सिस्टम कंप्यूटर के लिए अधिक सुलभ होता है क्योंकि इलेक्ट्रॉनिक सर्किट्स और लॉजिक गेट्स 0 और 1 को आसानी से समझ सकते हैं।
15.
. बाइनरी नंबर सिस्टम का आधार क्या है?
Correct Answer
A. 2
Explanation
The base of the binary number system is 2. In this system, numbers are represented using only two digits, 0 and 1. Each digit in a binary number represents a power of 2. The rightmost digit represents 2^0, the next digit represents 2^1, and so on. This system is widely used in computer science and digital electronics because it is simple and directly related to the binary logic used in these fields.
16.
. निम्नलिखित में से कौनसा इनपुट उपकरण नहीं है?
Correct Answer
C. प्रिंटर
Explanation
The question is asking which of the following is not an input device. An input device is a device that is used to input data or commands into a computer. A scanner, mouse, and keyboard are all examples of input devices as they are used to input data or commands into a computer. However, a printer is an output device as it is used to produce output or hard copies of data from a computer. Therefore, the correct answer is "प्रिंटर" (printer).
17.
. आउटपुट उपकरणों का महत्वपूर्ण कार्य क्या है?
Correct Answer
D. परिणाम को दिखाना
Explanation
The important function of output devices is to display or show the results or output of a process. These devices, such as monitors, printers, and speakers, provide a way for users to see or hear the information processed by the system. They play a crucial role in communicating the processed data or instructions to the user in a readable or understandable format.
18.
. निम्न में से कौन सी मेमोरी परिवर्तनशील (वोलेटाइल) होती है?
Correct Answer
B. रेम
Explanation
The correct answer is रेम (RAM). RAM stands for Random Access Memory and it is a volatile memory. Volatile memory is a type of computer memory that requires power to retain stored data. When the power is turned off, the data stored in RAM is lost. Therefore, RAM is a volatile memory.
19.
. कंप्यूटर सिस्टम का मस्तिस्क किसे कहा जाता है?
Correct Answer
B. सी.पी.यू.
Explanation
The correct answer is "सी.पी.यू." (Central Processing Unit). The CPU is known as the brain of the computer system. It is responsible for executing instructions, performing calculations, and managing the flow of data within the computer. It controls all the other components of the computer system and is crucial for its overall functioning.
20.
. गणना से संबधित कार्य किस क्षेत्र में किये जाते है?
Correct Answer
A. ए.एल.यू.
Explanation
The correct answer is ए.एल.यू. (ए.एल.यू. stands for एक्सेस लोजिक यूनिट) because ए.एल.यू. is a term used in computer science and electronics to refer to the unit responsible for controlling the access to a computer's memory and peripherals. This unit performs calculations and logical operations, making it directly related to the process of computation. The other options mentioned, सी.पी.यू. (सेंट्रल प्रोसेसिंग यूनिट) and कंट्रोल यूनिट, are also related to computation and control, but they do not specifically refer to the unit responsible for calculations and logical operations like ए.एल.यू. does. Therefore, the correct answer is ए.एल.यू.
21.
. कंप्यूटर सिस्टम की सभी इकाइयों को निर्देश देने का कार्य किसके द्वारा किया जाता है?
Correct Answer
C. कंट्रोल यूनिट
Explanation
The control unit is responsible for giving instructions to all units of a computer system. It is the component that manages and coordinates the activities of all other units, including the CPU and ALU. Therefore, the correct answer is "कंट्रोल यूनिट" (Control Unit).
22.
. सी.पी.यू. का अर्थ है?
Correct Answer
C. सेन्ट्रल प्रोसेसिंग यूनिट
Explanation
The correct answer is "सेन्ट्रल प्रोसेसिंग यूनिट". This is because "सी.पी.यू." stands for "सेन्ट्रल प्रोसेसिंग यूनिट" which refers to the central processing unit of a computer. It is responsible for executing instructions and performing calculations in a computer system.
23.
. निम्न में से इनपुट डिवाइस कौन सी है?
Correct Answer
D. उपरोक्त सभी
Explanation
The correct answer is "उपरोक्त सभी" (All of the above). This answer is correct because all the options mentioned (ओ.एम.आर., ओ.सी.आर., ट्रेकबाँल) are input devices. Therefore, the correct answer is that all of the mentioned options are input devices.
24.
. निम्न में से किस उपकरण का प्रयोग टेक्स्ट, इमेज आदि को इनपुट करने के लिए किया जाता है?
Correct Answer
A. स्कैनर
Explanation
The correct answer is "स्कैनर" (Scanner). A scanner is a device used to input text, images, or other physical objects into a computer system. It scans the document or image and converts it into a digital format that can be stored and manipulated on a computer.
25.
. चुम्बकीय स्याही के अक्षरों पढने के लिए किस का प्रयोग किया जाता है?
Correct Answer
C. एम.आई.सी.आर.
Explanation
The correct answer is एम.आई.सी.आर. This is because एम.आई.सी.आर. stands for Magnetic Ink Character Recognition, which is a technology used for reading characters printed with magnetic ink.
26.
. पेपर पर बनी हुई लाइनों और खाली स्पेस व विशेष चिन्हों को पढने के लिए किस का प्रयोग किया जाता है?
Correct Answer
B. बी.सी.आर.
Explanation
बी.सी.आर.
27.
. निम्न में से पोइंटिंग डिवाइस कौन सी है?
Correct Answer
C. लाइट पेन
Explanation
The correct answer is "लाइट पेन" because a light pen is a pointing device that is used to select and interact with objects on a computer screen by directly pointing at them. It uses a light-sensitive detector to detect the light emitted by the screen when the pen is pointed at it. This allows the user to navigate and interact with the computer system.
28.
. कीबोर्ड में F1 से F12 कुंजी को क्या कहा जाता है?
Correct Answer
A. फंक्शन कीज
Explanation
The F1 to F12 keys on a keyboard are commonly known as function keys. These keys are labeled with "F" followed by a number, and they are used to perform various functions depending on the software or operating system being used. Therefore, the correct answer is "फंक्शन कीज" which translates to "function keys" in English.
29.
. मोनिटर से किस प्रकार का आउटपुट प्राप्त किया जा सकता है?
Correct Answer
C. सॉफ्ट कॉपी
30.
. निम्न में से कौन सा प्रिंटर का प्रकार है?
Correct Answer
D. उपरोक्त सभी
Explanation
The correct answer is "उपरोक्त सभी" which means "all of the above" in English. This answer indicates that all the printer types mentioned in the options (पेज प्रिंटर, कैरेक्टर प्रिंटर, लाइन प्रिंटर) are correct.
31.
. कंप्यूटर में सूचना प्रद्रर्शित करने की सबसे छोटी इकाई कौन सी है?
Correct Answer
A. बिट
Explanation
The correct answer is "बिट". A bit is the smallest unit of information in a computer. It can have a value of either 0 or 1, representing the binary digits. Bytes, megabytes, and the above options are larger units of information that consist of multiple bits.
32.
. एक बाईट में कितने बिट होते है?
Correct Answer
C. 8
Explanation
A byte consists of 8 bits. Therefore, the correct answer is 8.
33.
. मैन मेमोरी होती है?
Correct Answer
A. अस्थाई
34.
. रजिस्टर का क्या कार्य है?
Correct Answer
B. डेटा को स्वम् की मेमोरी में संग्रहित करना
Explanation
The function of a register is to store data in the computer's main memory. This allows the data to be accessed and processed by the computer's processor. Therefore, the correct answer is "डेटा को स्वम् की मेमोरी में संग्रहित करना" which means "Storing data in the main memory".
35.
. रेम का पूरा नाम क्या है?
Correct Answer
A. रेंडम एक्सेस मेमोरी
Explanation
The given question is asking for the full name of "रेम" (RAM), which stands for "Random Access Memory". Therefore, the correct answer is "रेंडम एक्सेस मेमोरी" (Random Access Memory).
36.
. सी.पी.यू. तथा मुख्य मेमोरी के बीच प्रयोग में लिए जाने वाले बफर को कहते है?
Correct Answer
A. कैश मेमोरी
Explanation
इस प्रश्न में सी.पी.यू. और मुख्य मेमोरी के बीच उपयोग होने वाले बफर को "कैश मेमोरी" कहा जाता है। कैश मेमोरी एक तेजी से पहुंचने वाली मेमोरी होती है जो सी.पी.यू. के लिए मुख्य मेमोरी के साथ काम करती है। इसका उद्देश्य सी.पी.यू. को तेजी से डेटा तक पहुंचने की सुविधा प्रदान करना है। यह मेमोरी बफर की तरह कार्य करती है, जिसमें अधिकतम या अधिकांश डेटा को संग्रहीत किया जा सकता है।
37.
. निम्न में से कौनसी फ्लैश मेमोरी है?
Correct Answer
D. पेन ड्राइव
Explanation
The correct answer is "पेन ड्राइव" because it is a type of flash memory that is portable and can be connected to a computer through a USB port. Hard disk, RAM, and ROM are not considered flash memory.
38.
. क्रमिक रूप से सूचना प्राप्त करने वाला उपकरण कौनसा है?
Correct Answer
B. मैग्नेटिक टेप
Explanation
The correct answer is "मैग्नेटिक टेप" (Magnetic Tape). Magnetic tape is a sequential access storage medium that is used to store and retrieve large amounts of data. It is commonly used for backup purposes and in archival systems. Hard disk, floppy disk, and the above options are not sequential access devices, making them incorrect options for this question.
39.
. कौनसा उदाहरण मल्टीयूजर ऑपरेटिंग सिस्टम का है?
Correct Answer
C. लाइनिक्स
Explanation
Linux is a multi-user operating system that allows multiple users to access and use the system simultaneously. Windows 98 and Windows NT are not multi-user operating systems as they do not have built-in support for multiple users. Therefore, the correct answer is Linux.
40.
. वह अनुवादक जो हाई लैंग्वेज में लिखे हुए प्रोग्राम को लाइन दर लाइन मशीन भाषा में अनुवाद करता है?
Correct Answer
A. इन्टरप्रेटर
Explanation
An interpreter is a program that translates a high-level language program into machine language line by line. It executes the program line by line and translates each line into machine code before executing it. This allows for immediate feedback and debugging during program execution. In contrast, a compiler translates the entire high-level language program into machine code before execution. As for an assembler, it is a program that translates assembly language code into machine code. Therefore, the correct answer is "इन्टरप्रेटर" (interpreter).
41.
. निम्नलिखित में से ऑपरेटिंग सिस्टम सॉफ्टवेयर का कार्य है?
Correct Answer
D. उपरोक्त सभी
Explanation
The correct answer is "उपरोक्त सभी" (All of the above). The question asks about the function of an operating system software, and all the options listed (उपकरण प्रबंधन, फाइल प्रबंधन, मेमोरी प्रबंधन) are tasks that an operating system performs. Therefore, the correct answer is that all of these tasks are the functions of an operating system software.
42.
. एसेम्बली भाषा में लिखे प्रोग्राम को मशीनी भाषा में अनुवाद करने के लिए किस ट्रांसलेटर प्रोग्राम का प्रयोग किया जाता है?
Correct Answer
A. एसेम्बलर
Explanation
An assembler is used to translate a program written in assembly language into machine language.
43.
. इनमे से कौनसी मेमोरी की सबसे बड़ी यूनिट है?
Correct Answer
A. गीगाबाईट
Explanation
The correct answer is "गीगाबाईट". In computer memory, the gigabyte (GB) is the largest unit of memory. It is equal to 1,073,741,824 bytes or 1024 megabytes.
44.
. ऑपरेटिंग सिस्टम को कंप्यूटर की मेमोरी में लोड होने की प्रक्रिया कहलाती है?
Correct Answer
C. बूटिंग
Explanation
The process of loading the operating system into the computer's memory is called "booting".
45.
. GUI का अर्थ है?
Correct Answer
A. ग्राफिकल यूजर इंटरफ़ेस
Explanation
The correct answer is "ग्राफिकल यूजर इंटरफ़ेस". This term refers to the graphical interface that allows users to interact with electronic devices through visual elements such as icons, buttons, and menus. It provides a user-friendly and intuitive way for users to navigate and control the device or software.
46.
. सॉफ्टवेयर का प्राथमिक उद्देश्य डेटा को किसमे परिवर्तित करना है?
Correct Answer
B. इनफार्मेशन
Explanation
The primary purpose of software is to manipulate data, and the correct answer "इनफार्मेशन" (Information) aligns with this. Software is designed to process, store, retrieve, and transform data in order to perform various tasks and provide useful outputs. This can include tasks such as data analysis, data management, data visualization, and data transformation. Therefore, the correct answer accurately reflects the primary objective of software in relation to data.
47.
. कीबोर्ड पर जिन बटनों पर तीर के निशान होते है उन्हें कहते है?
Correct Answer
B. नेविगेशन कीज
Explanation
The buttons on the keyboard that have arrow marks are called "नेविगेशन कीज" because they are used for navigating or moving the cursor in different directions on the screen.
48.
. एक किलोबाईट बराबर होता है?
Correct Answer
B. 1024 बाईट
Explanation
The correct answer is 1024 bytes. In computer science, the binary system is used to represent data, and in this system, 1024 is a common number used to represent a kilobyte. This is because 1024 is a power of 2 (2^10), which makes it easier to work with in computer calculations and memory allocation. However, in the decimal system, 1000 is used to represent a kilobyte. So, while both 1000 and 1024 are used to represent a kilobyte, the correct answer in this context is 1024 bytes.
49.
. कौनसा प्रिटर कागज़ के ऊपर स्याही की फुहार को तेजी से छिड़कर डेटा को प्रिंट करता है?
Correct Answer
B. इंकजेट प्रिंटर
Explanation
Inkjet printers are known for their ability to print data quickly by spraying ink droplets onto the paper. This process allows for a faster and more precise printing of data compared to other types of printers such as laserjet printers, drum printers, and dot-matrix printers. Therefore, an inkjet printer is the correct answer for this question.
50.
. निम्न में से किस डिवाइस का उपयोग तेज गति के कंप्यूटर गेम खेलने के लिए किया जाता है?
Correct Answer
D. जॉयस्ट्रीक
Explanation
जॉयस्ट्रीक एक डिवाइस है जिसका उपयोग तेज गति के कंप्यूटर गेम खेलने के लिए किया जाता है। यह एक खिलाड़ी को गेम के नियंत्रण पदों को संचालित करने की सुविधा प्रदान करता है, जिससे खिलाड़ी अपने चरों को बदल सकता है और विभिन्न गतिविधियों को कर सकता है।