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INTERNET AND E-MAIL
06
Your Aim
to learn about:
The Internet World Wide Web
How Does the Web Work? Using Web Browser
Using URLs E-Mail
Emoticons and Acronyms
As we know that the Internet is a computer network that connects hosts and systems
throughout the world. In this chapter, we will learn about the Internet and e-mail service
of the Internet in detail.
THE INTERNET
The seed of the Internet was planted in 1969 when the Advanced Research Projects
Agency (ARPA) of the United States Department of Defense began connecting
computers at different universities and defense contractors. The resulting network
was called Advanced Research Projects Agency Network (ARPANET).
In the beginning, ARPANET was a large network serving only a handful of users, but
it expanded rapidly. Initially, the network included four primary host computers.
By 1971, the network accommodated 15 nodes. The Internet acts as a carrier for
several different services, each with its own distinct features and purposes. The
most commonly used Internet services are: World Wide Web, electronic mail, news,
file transfer protocol, chat, instant messaging, online services and peer-to-peer
services. January 1, 1983 is considered the official birthday of the Internet. Earlier the
computer networks did not have a standard way to communicate with each other.
A new communications protocol was established in 1970 named Transmission
Control Protocol/Internet Protocol (TCP/IP). The TCP/IP allows computers
connected to different networks communicate with each other. It was adopted as
protocol standard for ARPANET in 1983.
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