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Is a machine or device that performs processes, calculations and operations based on instructions provided. -
Telegraph, any device or system that allows the transmission of information by coded signal over distance. -
The true inventor of the telephone was an Italian-American called Antonio Meucci. In 1854. He built the first telephone -
Radio, sound communication by radio waves, usually through the transmission of music, news, and other types of programs. -
An electronic system of transmitting transient images of fixed or moving objects together with sound over -
Is a wireless, portable personal computer with a touchscreen interface. -
Is a wireless handheld device that allows users to make and receive calls.