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Computer network is a combination of many independent science and engineering students, such as telecommunications, computer science, information technology and / or computer engineering. Computers linked to each other in the first place with telecommunications.Telecommunications, by contrast, can run and use of computers both in the media and telecommunications. To access the explanations advanced technology devices, including computers used in the construction of the efficiency of information technology networks and computer science and computer enhanced.

Chronology of the evolution of computer networks

Even before the nineteenth century, believed that the signs used in optical networks.Communication between devices that are used to calculate by sending the instruction manual.Computer network evolution can be traced back to the center during the last century. In time, can be described as follows:

September 1940 – Using the George Stibitz teletype machine to send instructions to set the problem of the model at Dartmouth College in New Hampshire calculator complex numbers in New York and provides them with the results of the return.

August 1962 – computer scientist JCR Licklider of Bolt, Beranek and Newman Inc., the formulation and dissemination of the concept of production systems such as Teletype connect to a computer to build a computer network “intergalactic.”

Hired in October 1963 – Advanced Research Projects Agency (ARPA), Licklider colleagues to design and develop advanced resources research projects agency network ARPANET) to the interests of the United States Department of Defense and the sharing of information.

Advanced 1964 – Researchers at the Dartmouth time-sharing system to a separate computer system at Dartmouth. In the same year, a group of researchers at the Massachusetts Institute of Technology, managed to direct and manage the phone using a computer. This project was supported by General Electric and Bell Labs.

Replaced in 1965 – Lawrence G. Roberts and Thomas Merrill in the formation of an extensive network of first). In the same year, the introduction of the first widely used PSTN (Public Switched Telephone Network) switch by companies and Western Electric. That’s important, because control over a computer network for the first time in history.

Established in November 1969 – and the first permanent ARPANET link between the processor and the interface messages (Imp) on the University of California, Los Angeles), and the international military presence in the Stanford Research Institute.

What is the relationship in December 1969 – and the entire four-node network with the University of California at Santa Barbara, University of California Research Institute, Stanford University Computer Science Department in the state of Utah for a contract from them.

Published in 1972 – commercial services used in X.25, and then used as the basic infrastructure to expand the scope of Transmission Control Protocol / Internet Protocol network.

Discovered in 1989 – the World Wide Web before, Timothy Berners-Lee at the European Laboratory for Particle Physics in Geneva, Switzerland.

Continued efforts to communicate through computer networks and communication among themselves, too, was the emergence of technology through the improvement of computer hardware, software, and device industries. As a result, placed within the scope of some contacts. Is it possible that without such progress in a computer network.

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