Networks
As soon as we find some information there is always a need to share it with someone else. This need resulted in speech and writing and, later on, the telephone. Once we developed computers, fax machines and other things, we set about interconnecting them to exchange more and more information.
The interconnections are called networks and we have developed three sizes: big medium and small. The big one is called a wide area network or WAN. It covers very large areas, perhaps part of a country, a whole country, a continent or the whole world, rather like the Internet. Because of the large distances that are involved, it tends to use radio links, telephone lines and satellite links rather than the more local cables systems that we are ...
Get Introduction to Copper Cabling now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
