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Telegraph- Samuel Morse
a device, system, or process by which information can be transmitted over a distance. -
Radio-Guillermo marconi.
a device that uses electromagnetic waves for communication. -
Television- Jhon Logie Baird
Electrical device that receives and reproduces those images and sounds -
Computer- Honrad Zuse
Electronic machine capable of storing information and processing it automatically through mathematical and logical operations controlled by computer programs -
Tablet- Alan Kay
is a portable electronic device larger than a smartphone. -
Telephone- Graham bell
A means of communication that, through a set of devices and conductive systems, transmits sound as an electromagnetic signal remotely. -
Mobile phone-Martin Cooper
A mobile phone is a wireless handheld device that allows users to make and receive calls
