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Telegraph - Samuel Morse
A system for transmitting messages from a distance along a wire, especially one creating signals by making and breaking an electrical connection. -
Telephone - Alexandre Graham Bell
Device that receives and transmits long-distance communications and is connected to a telephone network. -
Radio - Guillermo Marconi
Straight line joining the center of a circle with any point on the edge of the circumference. -
Television - John Logie Baird
Is a system for the transmission and reception of images and sounds at a distance that simulate movements, which uses a diffusion mechanism -
Computer - Konrad Zuse
Is a machine that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming. -
Tablet - Alan Kay
It is a portable electronic device that is larger than a telephone that emits light and with which you interact primarily with your fingers or a stylus, without the need for a physical keyboard or mouse. -
Mobile Phone - Martin Cooper
Is a small portable radio telephone. The mobile phone can be used to communicate over long distances without wires.
