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Samuel F.B. Morse
A message sent by a telegrah and then delivered in writen or printed form used in UK only form international messages since 1981 -
Charles Babbage
Machine or device that performs processes calculation and opetrations based on instructions provided by a software -
Alexander GRaham Bell
A telephone is an instrument designed for the simultaneous transmission and reception of the human voice.Telephones are inexpensive and simple to operate and they offer an inmediate personal type of comunication billions of telephones are used around the world -
Philo Farnsworth
A system of converting visual images into electrical signals, transmiting them by radio or other means, and displaying them electronically on a screen -
Marty Copper
A telephone with acces to a cellular radio system so it can be used over a wide area without a physical conection to a network -
Guglielmo Marconi
The transmission and reception of electromagnetic waves of a radio frequency especially those carryng sound messages -
Jeff Hawkins
A flat slab of stone clay or wood used especially for an inscription