Communications is a vast subject to discuss, it is as old as the history itself.Have you ever wondered how the world would be with out communication?then the world would have extinguished at the very beginning of the mankind.Communication plays an important role in the development of the human kind.WIthout communication we wouldn't have expressed or invented anything in this world.

Communication is the medium through which we share our information.It is a simple concept of transmitter,Receiver and channel. Channel is the medium that is used to send the information from transmitter to receiver.RIght from the olden days to the present stage there are number of changes and developments in the channels.

In the olden days humans used homing pigeons to send messages,some used cave drawings to convey the story of their culture,tribes used drums as one way of communication to send signals to their neighboring tribe groups,smoke signals were used to send messages to the people who were not close to their peer group.This way the communication slowly got developed into more refined ways. Language is the bridge for communication,later on man has developed many kinds of languages and writings with which he shared the information, thoughts and ideas.Then on man invented many things in the field of communications.Humans first started their writings on bones,leaves,caves etc.And then on there were no leaps and bounds to the inventions in communications.

Then later on telegraph,printing press, cable telephone, with answering machine,radio, television,cassette tapes with magnetic recording,xerox
machines,fax machines,radar systems, cordless phone, walk-mans,computers,cds,dvds, cell phones,mp3 players,
lcd televisions,i pod,digital televisions,GPS etc were invented till date,and there are still many researches
going on in the field of communications.Fiber optics communication,satellite communications ,digital communications etc are major advances in the field of tele communications.

So this is the brief description about the general communications,it is a never ending topic with a wide range of topics.Communication is an ever green subject to discuss.Lets hope for more inventions in the field of communications in our near future.