Computer Archive

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What is Internet & How it Works?

A computer network is an interconnection of a group of computers while Internet is a worldwide system of interconnected networks and computers. History of Internet: In 1969, Advanced Research Project Agency (ARPA) established a small computer network among different universities and defense organizations. ARPANet was the world’s first operational network that was

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Workgroup, Computer Network and Components of Network

A group of individuals working together on a given project, sharing information through computer networks is known as workgroup. Workgroup are used for small Local Area Networking in homes, schools, small offices. With the growing of number of computers in a group, LAN becomes more difficult for administrator. As they share work

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What is Windows Operating System?

An operating system is a collection of system programs that controls and co-ordinates the overall operations of a computer system. Memory, processes, hardware and software of a computer are managed by an operating system. It provides an interface for the user to interact with the computer. A user can change and update

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Uses of Computers in Various Fields

The modern age is the age of Information Technology. The computer technology has importance in every field of life. With the help of IT, all departments of life and organization are performing their functions efficiently & perfectly. Computers have made a significant impact on our society. Today they are an essential part

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What is Computer Architecture?

John Von Neumann Architecture: In 1945, mathematician John Von Neumann and his colleagues proposed an internal design of an electronic computer. This design is called Von Neumann architecture. The computer based on this architecture is called stored program machine. The stored program machine consists of the following units: a unit that performs calculations,

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What is Information Technology?

Data, Data Processing and Information System: Data is a collection of facts. It is a raw material of information. When raw facts and figures are arranged in such a suitable manner that they give the clear and proper meanings then they are called information. Data processing is defined as a sequence of