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When two or more computers are connected with each other, we call it a computer
network. Internet is a vast network of computers connected together, which makes
communication between them possible. The term ‘Internet’ is derived from the
word internetworking. It connects millions of computers across the world by means
of cables, telephone wires or certain wireless media of communication.
HISTORY OF INTERNET
The history of the Internet starts with the development of electronic computers in
the 1950s. In the 1960s, the first computer was developed, supported by the United
States Department of Defence. It was called ARPANET and it was meant to connect
only a few computers with each other.
ARPANET was developed with the aim of sharing information on research and
development and was used only by government officials and scientists. It was later
opened for the universities to spread education and share their resources.
The network rapidly grew bigger and by the 1990s, a modern version of the network,
the Internet, as we know it today, had evolved thinking about life without the use of
the Internet has become difficult.
USES OF INTERNET
The most extensive uses of the Internet are:
E-mail (Electronic mail): It is an online communication system.
E-mail enables us to send and receive messages to people
anywhere around the world within a matter of seconds.
Internet–An Introduction 87

