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Telegraph
Samuel Finley Breese Morse patented the electric telegraph. A simple and practical system that made it possible for the transmission of messages to acquire an unexpected speed. -
Telephone
The telephone is a telecommunication device created to transmit acoustic signals at a distance by means of electrical signals.
Alexander Graham Bell invented the telephone. -
Radio
Is an electronic device that receives radio waves and converts the information carried by them to a usable form.
Guillermo Marconi invented the radio. -
Television
Remote image transmission system , which is transformed into electromagnetic waves at the station and recovered at the receiver.
Philo Farnsworth created television. -
Computer
A computer is an electronic machine that can store and deal with large amounts of information. The data are then fed into a computer.
Charles Babbage created the computer. -
Tablet
It is a mobile computing device in which the touch screen occupies almost its entire size and in which there is no physical keyboard.
Alan Kay invented the tablet. -
Mobile phone
It 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.
Martin Cooper is the inventor of the mobile phone.