What Is WAN?

Question: What Is WAN? Answer: A Wide Area Network is a network system that covers a large area such as different cities of the country or different countries of the world. Most telephone companies are WANs. A WAN that is wholly owned and used by a single company is often referred to …

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What Is Server Computer?

Question: What Is Server Computer? Answer: In a networked environment, a powerful computer is used that controls the entire computer connected to the network is called the Server or Host computer. There are different types and kinds of a server computer such as in a building network the service are containing on …

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What Is Protocol?

Question: What Is Protocol?  Answer: A set of rules that guides data communication is called protocol. It represents an agreement between the communication devices. Without a proper protocol, the device may be connected but they cannot communicate with each other. For Example, a person whose mother language is English cannot communicate with …

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What Is A Modem?

Question: What Is A Modem? Answer: Modem stands for modulation and demodulation. It is an electronic device that converts digital signals into analog and vice versa. Modems are used on both ends of the computer for data communication between computer through a telephone line. The modem is not wireless but they help …

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What Is Computer Network?

Question? What Is Computer Network? Answer: A way of connecting computer together so that they can communicate, share information and other resources with called each other is called computer network. A computer network is also called the information network. The most popular information network is the internet. Computer Networks are working on …

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Define Data Processing?

Question: Define Data Processing? Answer: A sequence of operations on data to convert it into useful information is called data processing. In other words, we can say that a procedure through which a computer can collect request from users, and after then it will classify, retrieve, and classify the data to results …

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What Is Computer Virus?

Question: What Is Computer Virus? Answer: A small hidden program that may disturb the normal functioning of the computer and also may destroy the important data stored in the computer is called computer virus. These days there are different types of viruses have introduced which can directly harm the database of a …

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What is UNIX?

Question: What is UNIX? Answer: UNIX is a multi-user and multi-tasking operating system. It is the very popular operating system used in the microcomputer to a supercomputer. It provides the command line interface. It was developed at AT&T Bell Laboratories of USA. Microsoft Company of USA also developed a version of UNIX, …

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What is Windows?

Question: What is Windows? Answer: Windows is a popular operating system used in personal computers. It is developed by Microsoft Corporation of USA. It is because it is referred as Microsoft Windows. Windows is a graphical user interface operating system. It is a user-friendly operating system. It Is very easy to learn …

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What Is DOS?

Question: What Is DOS? Answer:  DOS stands for Disk Operating System. DOS is developed by Apple Corporation in 1984 for Macintosh computers. It is a command line interface operating system. This system was developed by Microsoft for IBM in 1981. It was the most popular operating system in microcomputers before the …

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