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Telegraph-Samuel Morse
Is a system for transmitting messages from a distance along a wire, especially one creating signals by making and breaking an electrical connection. -
Telephone-Graham Bell
Communication system that transmits voice and sound over a long distance by electrical or electromagnetic means. -
Radio-Guglielmo Marconi
Is an electrical device that receives radiotelegraphy or radiotelephone waves and transforms them into sounds or signals -
Television-John Logie Bard
System for the transmission of images and sounds at a distance by means of Hertzian waves. -
Mobile phone-Martin Cooper
A telephone with access to a cellular radio system so it can be used over a wide area, without a physical connection to a network. -
Tablet-Alan Kay
Is a tope of laptop, larger than a samrtphone or a PDA, integrante into a touch screen with which you interact primarily with your finges, without the need for a physical keyboard or mouse
