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Computer (Charles Babbage)
Electronic machine capable of storing information and processing it automatically through mathematical and logical operations controlled by computer programs. -
Telegraph (Samuel Morse)
Communication system that allows the transmission of information by means of electrical impulses and using a pre-established code of signs. -
Telephone (Alexander Graham Bell)
Communication system that transmits voice and sound over long distances by electrical or electromagnetic means. -
Radio (Nikola Tesla)
An electrical device that receives radiotelegraphy or radiotelephone waves and transforms them into sounds or signals. -
Television (John Logie Baird)
System of transmission of images and sounds at a distance by means of Hertzian waves. -
Tablet (Alan Kay)
It is a portable electronic device that is larger than a smartphone or a PDA, it is a single piece that integrates a touch screen that emits light and with which it interacts primarily with the fingers or a stylus, without the need for a physical keyboard or mouse. -
Mobile phone (Martin Cooper)
A mobile phone or cell phone is a portable device that can make or receive calls through a radio frequency carrier, while the user is moving within a telephone service area.