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computer/Charles Babbage
an electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program. -
telegraph/David Alter
a system for transmitting messages from a distance along a wire, especially one creating signals by making and breaking an electrical connection. -
telephone/Antonio Meucci
A telephone is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be heard directly. -
radio/Guillermo Marconi
It is a form of telecommunication that is carried out through radio waves or Hertzian waves, which in turn is characterized by the movement of electric fields and magnetic fields -
television/Philo Farnsworth
System of transmission of images and sounds at a distance by means of Hertzian waves. -
movile 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. -
tablet/Jeff Hawkins
It is a portable electronic device larger than a smartphone or PDA, it is a single piece