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Telegraph-Samuel Morse
Device for transmitting messages from a distance along a wire, especially one creating signals by making and breaking an electrical connection. -
Telephone-Antonio Meucci
Device for transmitting voices over a distance using wire or radio, by converting acoustic vibrations to electrical signals. -
Radio-Guglielmo Marconi
It is a technology that enables the transmission of signals through the modulation of electromagnetic waves. These waves can propagate both through air and empty space and do not require a means of transport. -
Television-John Logie Baird
Television is a system for the transmission and reception of images and sounds at a distance that simulate movements. -
Computer-Konrad Zuse
It 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
It's a portable electronic device larger than a smartphone.
Its usefulness is greater than that of a mobile but at the same time less than that of a laptop, resulting a simple and successful portability. -
Mobile phone-Martín 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.