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Computer Charles Babbage
Electromechanical operation and using relays, it was programmable (by means of perforated tape) and used binary system and Boolean logic. -
Telegraph Willam Fothergill Cooke
By pressing your fingers, allowed the passage of the current for a given period and then cancelled it. -
Telephone Antonio Santi Giuseppe Meucci
Referred to as a device that transmitted sound through a wire via electrical signals. -
Radio Guillermo Marconi
Developed the electromagnetic waves that allow sound to travel through the air. -
Television John Logie Baird
Consisted of a neon tube behind a Nipkow disc and that they were capable of producing an image the size of a postage stamp and that a lens was capable of enlarging it to twice its size. -
Tablet Alan Kay
It was a portable machine with a touch-sensitive screen and a version of the XP operating system that allowed some extras such as pen operation. -
Mobile phone Martin Cooper
In those days, an antenna covered 15 blocks around. As the user physically moved, the switchboard carried the signal from antenna to antenna, so that the call would have continued. The telephone battery lasted eight hours on standby, and had to be recharged in 10 hours.