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Computer, Charles Babagge
Electronic machine which is able to store information and processing it automatically through mathematical operations controlled by computer programs. -
Telegraph, Samuel Morse
Device used to communicate at a distance. It uses electricity to send coded messages through the wires. -
Telephone, Antonio Meucci
Device that transmits sounds through a cable with electrical signals. -
Radio, Guglielmo Marconi
Media of communication which is based on the sending of audio signals through radio waves. -
Television, Jhon Logie Baird
Transmission of images and sound remotely via radio waves -
Tablet, Alan Kay
Mobile computing device in which the touch screen occupies almost its entire size and in which there is no physical keyboard. -
Mobile phone, Martin Cooper
Portable device that can make or receive calls through a radio frequency carrier, while the user is moving.