Part 1 of Essay
Telecommunication is the transmission of words, sounds, images, or data in the form of electronic or electromagnetic signals or impulses. Transmission media include the telephone, radio, television, microwave, and satellite. Data communication is the fastest growing field of telecommunication. Data communication is th ....

Part 2 of Essay
.... a means of telecommunication. The natives of Africa introduced drum telegraphy. This roaring of drums is how messages were spread for far distances. In similar state, the old China used a sort of drum telegraph which was that of the "Tamtam". This was a big, free hanging, circular metal plate. The keystroking, as it is called, of this plate would create a far-reaching audible tone. This is the drum telegraph and the start of telecommunication. Fire Signaling Fire signaling is another part of the tele ....