-
Computer - Charles Babbage
Programmable digital machine that executes a series of commands to process the input data, obtaining information that is sent to the output units. -
Telegraph - Samuel Morse
Electrical device capable of transmitting text messages. For this purpose it uses the encoding, by means of morse code, in electrically emmited signals. -
Telephone - Alexander Graham Bell
Telecommunication device designed to transmit acoustic signals at a distance by means of electrical signals. -
Radio - Nikola Tesla and Guillermo Marconi
Communication media based on the sending of audio signals through radio waves. -
Television - John Logie Baird
Electronic apparatus intended for the reception and reproduction of television signals. It usually consists of a screen and controls. -
Mobile phone - Martin Cooper
Wireless communication media via electromagnetic waves. -
Tablet - Jeff Hawkins
Type of laptop, ragularly larger than a smartphone, which has a touch screen which interacts without the need of a keyboard or mouse.