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1973 BCE
Martin Cooper - mobile phone
A mobile phone or cell phone is a portable device that can make or receive calls through a radio frequency carrier, while the user is moving within a telephone service area. -
1906 BCE
Philo Farnsworth - television
Television is a system for the transmission and reception of images and sounds at a distance that simulate movements, which uses a diffusion mechanism. -
Alexander Graham Bell - telegraph
The telegraph is a device used to communicate at a distance. It uses electricity to send coded messages through the wires. -
Almon Brown Strowger - telephone
It is an object to contact other people -
Guillermo Marconi - radio
Radio is a means of communication that is based on the sending of audio signals through radio waves -
Charles Babbage - computer
An electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program. -
Alan Kay - tablet
It is a portable electronic device larger than a smartphone or a PDA, it is a single piece that integrates3 a touch screen that emits light and with which it interacts primarily with the fingers or a stylus, without the need for physical keyboard or mouse.