new computer technology
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New Computer Technology
The newest local network area in technology come out is called Ethernet. Ethernet includes the original 10 megabit per second system and 100 megabit per second fast Ethernet. This new network is called because in the late 1970s Metcalfe and his Xerox PARC colleagues developed the first experimental Ethernet system to interconnect the Xerox Alto, a personal workstation with a graphical user interface. The experimental Ethernet was used to link altos to one another, and to sever laser printers. The signal clock for the experimental Ethernet interface was derived from the Alto's system clock, which resulted in a data transmission rate on the experimental Ethernet of 2.94 Mbps. In 1973 Metcalfe changed the name to Ethernet to make it clear that the system could support any computer not just altos and to point out that his new network mechanisms had evolved well beyond the Aloha system. He chose to base the name on the word ether as a way of describing an essential feature of the system thus Ethernet was born. The network device itself is defined as terminal equipment in the IEEE standard. Each DTE attached to an Ethernet is equipped with an Ethernet interface...