Trying to give a definition to the term COMMUNICATIONS we can say that “Communications is the dispatch of a message from one point to another and the confirmation of the complete , right and conceivable receiving of the message by the authorized addressee”
As we can see from the history there was a huge try to achieve the communication between people . The signals of smoke , the sounds of the drum , the fire were some of the basic ways for the transfer of a message in a era years ago . But these ways of communication was neither accurate nor has the certainty of the success . Also the transfer speed of the information was small , the size of the information tiny and the security of the communication was almost absence .
The need for networks appears for the first time when Graham Bell set in use the telephone . He was talking with a friend of his with a single line , but later when he wanted to talk to another friend of his he needed to use another line to connect his phone and the phone of his friend . So imagine that he has X friends , he would need X(X-1)/2 lines and X-1 phones , that was impossible so the need of networks come up . The network first developed for the need of the voice communication but after the appearance of data communications need the same network was used .
From the time that electricity and electronics had developed there was rapidly changes at the section of the communications . After the decade of the 1950 the computers started developing , and the communications started playing an important role in peoples life . Also the evolution of the voice communication has created an extensive telephone network which today covers a very large part of the planet , and computers have taken advantage of that network in a great rate so as to satisfy their needs for data communication .
Talking about our days , when... [continues]
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(1999, 10). Networks and Connectivity. StudyMode.com. Retrieved 10, 1999, from http://www.studymode.com/essays/Networks-Connectivity-11027.html
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"Networks and Connectivity." StudyMode.com. 10, 1999. Accessed 10, 1999. http://www.studymode.com/essays/Networks-Connectivity-11027.html.