The necessity to send information prompt and more conveniently led to the discovery of electromagnetic tremble (by Henrich Herz in 1887 and its application in communication by Gulgielmo Marconi in 1895) where neither the sender nor the receiver need move; solo the information to be sent is coded in electromagnetic revolve form and it is received and decoded at the receiver. It is pertinent to know that electromagnetic waves are one of the major channels of communication by dint of which man has come to know more about his populace; hence electromagnetic waves are astronomical and extra galactic (Ugwuanyi, 2006). This unprecedented advancement in our communication technology ! is in any case associated with profound changes in our lives-socially, economically, politically, academically and plain religiously. It brought about the electronic communication which launched the world into the information age. 1.1 RADIO...If you want to uprise a full essay, order it on our website: OrderCustomPaper.com
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