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Telegraph, Samuel Morse
Telegraphy is the long-distance transmission of written messages without the physical transport of letters. -
Mobile phone, Martin Cooper
It is a portable telephone that can make or receive calls through a radio frequency carrier, while the user is moving within a telephone service area. -
Telephone, Alexander Graham Bell.
Communication system that transmits voice and sound over long distances by electrical or electromagnetic means. -
Radio, Guillermo Marconi.
Radiocommunication is a form of telecommunication that is carried out through radio waves or hertzian waves. -
Television, Philo Farnsworth
sometimes shortened to tele or telly, is a telecommunication medium used for transmitting moving images in monochrome (black and white), or in color, and in two or three dimensions and sound. -
Computer, Konrad Zuse
Electronic machine capable of storing information and processing it automatically through mathematical and logical operations controlled by computer programs. -
Tablet, Alan Kay
It is a type of laptop, larger than a smartphone or a PDA, integrated into a touch screen (single or multi-touch) with which you interact primarily with your fingers, without the need for a physical keyboard or mouse.