History Of Network

Before the advent of computer networks, on any type of telecommunications system, communication between computing machines and the first computers made by human users by carrying instructions between them. Many social behaviors seen in today's Internet was clearly present in the nineteenth century and probably even earlier in the network using visual cues.

• In September 1940 George Stibitz used a teletype to send instructions to a problem with your model at Dartmouth College in the Complex Number Calculator in New York and received results back by the same means. Linking production systems such as teletype machines to computers had an interest in the Advanced Research Projects Agency (ARPA) when, in 1962, JCR Licklider was hired and developed a working group he called the "Intergalactic Network" , a precursor of the ARPANET.
• In early network of computers communicating Environment included military ground radar semi-automatic (SAGE), began in late 1950.
• Commercial semi-automated booking business Air Research Environment (SABRE), which began operating two power units connected in 1960.
• In 1964, researchers at Dartmouth developed the Dartmouth Time Sharing System for distributed users of large computer systems. That same year, the Massachusetts Institute of Technology, a research group funded by General Electric and Bell Labs used a computer to route and manage telephone connections.
• By 1960, Leonard Kleinrock, Paul Baran and Donald Davies, independently conceptualized and developed systems for packages, which could be used as a network between computer systems.
• 1965 Thomas Merrill and Lawrence G. Roberts created the first WAN (wide area).
• The first widely used in call centers that used true computer control was introduced in the Western Electric in 1965.
• In 1969, the University of California at Los Angeles, Stanford Research Institute, University of California, Santa Barbara and the University of Utah were connected as the beginning of ARPANET, 50 kbit / s circuits.
• Commercial services using X.25 was introduced in 1972 and later used as an underlying infrastructure to extend the TCP / IP.

Today, computer networks are at the heart of modern communication. All aspects of modern public administration switched telephone network (PSTN) are computer controlled and features over Internet Protocol telephony, but not necessarily the Internet. The scope of communication has increased dramatically in the last decade and this boom in communications would not have been possible without the network slowly forward. Computer networks and technologies to connect and communicate across and between them, continue to push hardware, software and peripherals industries. This expansion reflects the growth in the number and types of network users by the researcher's home user.

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