Today's computer network is the Internet communication network 60 in this field in the early telephone network was a trace at the beginning of World authority. Internet World is the source of the advanced research network (ARPANET) of the U.S. Defense Department was in 1969. Things to see of growth in the last 35 year of the computer network.
In 1974 Ethernet was to be verified at the Xerox PARC Alto computer network. And after in 1978 the modem dial up connection was being introduced
after 1978 in 1981 – the new TCP /, UNIX operating system was being released of the IP suite. The first portable computer and it was promoted in size of almost a pound suitcase
In 1981, PC are being promoted from IBM and after that in 1982 TCP / IP (Transmission Control Protocol and Internet Protocol) were created for normal ARPANET And in the TCP was used to regulate the ARPANET / IP protocol which was taken up by Pentagon.
In 1986 the protocol TCP / IP were to be introduced with the new Compaq workstation PC and in 1987 the network host break had crossed almost 100000 and in 1989 it crossed the host almost 1000000 and in 1990 the ARPANET was being stopped and many other tools like Gopher were being introduced in 1991 the ARPANET was being changed to NFSnet as the major government network linking research institution and NFSnet was being advance to T3 and even the world wide web was being developed and directed by lee and the CERN acted as the first main web server in 1991.
By 1992 the internet was very familiar worldwide to everyone in the form of www.
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