-
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- Samuel F. B. Morse
transmitting electrical signals over a wire laid between stations. -
telephone-Alexander graham bell
an instrument for reproducing sounds at a distance specifically -
Radio- Heinrich Hertz
form of telecommunication that is carried out through radio waves or hertzian waves -
Television- John Logie Baird
An electrical device that receives and reproduces these images and sounds. -
Mobile Phone- Martin Cooper
a telephone with access to a cellular radio system so it can be used over a wide area, without a physical connection to a network. -
Tablet- Jeff Hawkins
a portable electronic device larger than a smartphone