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Telegraph
Claude Chappe /is an apparatus or device that uses electrical signals to transmit encoded text messages, such as Morse code, over wire lines or radio communications -
telephone
Alexander Graham Bell/Communication system that transmits voice and sound over long distances by electrical or electromagnetic means. -
radio
Guillermo Marconi/ A musical program is one whose fundamental element is music. In it, indicative of the station are interspersed with the presentation and audition of musical themes -
television
Philo Farnsworth/ System of transmission of images and sounds at a distance by means of hertzian waves. -
computer
Konrad Zuse /The computer, also called computer or computer, is a programmable digital machine that executes a series of commands to process the input data, obtaining convenient information that is subsequently sent to the output units. -
tablet
Alan Kay /is a portable electronic device larger than a smartphone or PDA -
mobile phone
Martin cooper/a telephone with access to a cellular radio system so it can be used over a wide area, without a physical connection to a network.
