The Computer is important both to the person sending the message and to the person receiving the message the person sending the message will key in the message on the computer after calling up the E-mail number on the same computer.The receiver gets the message by checking for mails in his own computer from time to time e.g E-mail (Electronic Mail)is an electronic system of communication,the computer is the major equipment needed and the satellite system is necessary or internet(international network) is also an electronic system of telecommunications.it helps one to communicate between two long distance e.g between one country and another or two continents.the internet is a good for the storage and retrieval of information from an international information bank.