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Computer, Charles Babbage
Is an electronic system used to store and process data. The computer takes data from the outside (through the input units), stores it in its memory, processes it and sends it to the operator (through the output units). -
Telegraph, Joshep Henry
Communication system that allows the transmission of information by means of electrical impulses and using a pre-established code of signs. -
Telephone, Antonio Meucci.
A communication system that transmits voice and sound over long distances by electrical or electromagnetic means. -
Radio, Guillermo Marconi
Radio is an instrument for education and its potential is implicit when it fulfills the functions of educating, informing and orienting society in a dynamic way, with messages for health promotion and disease prevention. -
Television, John Logie Baird
System for transmitting images and sounds at a distance by means of Hertzian waves. -
Tablet, Alan Kay
Tablet is a 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
A portable device that can make or receive calls over a radio frequency carrier while the user is moving within a telephone service area.