Fiber optic cables have allowed LAN technologies to connect devices tens of kilometers apart, while at the same time greatly improving the speed and reliability of WANs. ... However, there are practical limits to the size of our Ethernet network in this case. ... Additionally, since in CSMA/CD only a single device can transmit at a given time, there are practical limits to the number of devices that can coexist in a single network. ...
?Introduction Today few people would deny that vision, or "sight? is as important a system of human communication and cultural expression as language. In fact, in the past thirty years, it has become a very common thing to point out the centrality of vision in contemporary and modern world.1 West...
Many people today are familiar with the Internet and its use. The Internet is a mass communication device and place for the freedom of mind and thoughts. It is an information source as well as a booming virtual market place for many businesses. The Internet is an enormous well of information that co...
