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Computer, Charles Babbage
Is a programmable digital electronic machine that executes a series of commands to process input data, conveniently obtaining information that is then sent to the output units. -
Telegraph, Joseph Henry
The telegraph is an electrical device capable of transmitting text messages. To do this, it uses coding, by means of the morse code, in electrically emitted signals. -
Telephone, Antonio Meucci
The telephone is a telecommunication device created to transmit remote acoustic signals by means of electrical signals. -
Radio, Guillermo Marconi
The radio station is the necessary infrastructure to be able to transmit audio, sometimes with related metadata, through radio waves aimed at reaching a wide audience. -
Television, John Logie Baird
Television is an instrument of communication, information and distraction. In principle, communicating is, etymologically, turning something into common. -
Tablet, Alan Kay
A touch-sensitive screen is used so you can write and navigate quickly. They are characterized by being very light and are cheaper than a computer. -
Mobile phone, Martin Cooper
Mobile phones are used for a variety of purposes, such as maintaining contact with family members, conducting business, and in order to have access to a telephone in the event of an emergency.