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What is Internet?

In this article, I will share very important information about what is Internet? I hope you will learn something with this.


The Internet is an interconnection between several computers of different types belonging to various networks across the globe. It is a network of networks.

Millions of people use the Internet to search and share information and ideas, etc. It has grown into an important infrastructure supporting a wide-spread, multidisciplinary community.

This community now consists of students, scientists and researchers, large corporations, non-profit organizations, government agencies, and individual consumers.

The Internet is an immensely complex combination of thousands of technologies and dozens of services used by millions of people around the world each day.

The Internet links thousands of computer networks. Every network and every computer in these networks exchange pieces of information according to certain rules called protocols.

These different computers and networks are united with the common thread of two protocols,i.e., Internet Protocol (IP) and Transmission Control Protocol (TCP).


The Internet started as the US. government project in the year 1969′ called the ARPANET(Advanced Research Projects Administration Network) which supervised it in the beginning.

The ARPANET reached universities, research laboratories, and some military labs in the late 1980s, the National Science Foundation of US-funded the development of a network (using the Internet protocols), named NSFNET to connect supercomputer centers in the US.

Many colleges and universities connected to that network. The number of sites increased rapidly.

There were more than 10000 sites in 1987 and more than 100,000 in 1989.

Similar activity, although not on such a large scale, was taking place in other countries as well.

In the early 1990s, commercial networks with their own Internet exchanges or gateways allowed to conduct business on the Internet.

In 1993 the NSF created the InterNIC to provide the Internet services.

The exponential growth of the Internet along with the inclusion of commercial networks and service has been accompanied by an astounding increase in the population of Internet users.

The Internet is reaching the size and importance of an infrastructure. From a mere research project, the Internet has grown rapidly into something that involves millions of people worldwide.

The backbone of the Internet is made up of high-speed communication links owned by companies like  AT&T(American Telephone and Telegraph Company), or VSNL (Videsh Sanchar Nigam Limited) in India.

Internet Service Providers  (ISPs) who then sell access bandwidth to individuals or commercial organizations, makes the Connections to the backbone.

The Internet offers a diverse range of information and ideas, covering almost every topic you can think of.

You can also share your knowledge and interest with others through the medium of the Internet.

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