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Computer
The computer, created by Charles Babbage, is a machine that stores and automates information through computer programs designed specifically for this task. -
Telegraph
A device created by Samuel Morse which uses electrical signals to transmit coded text messages (such as Morse code) via wire or radio communications. -
Radio
Radio is a method of communication invented by Guglielmo Marconi, which is based on sending audio signals via electromagnetic radio waves propagating in space. -
Television
Television was created by John Logie Baird and is a system for transmitting and receiving images and sound at a distance to simulate motion. The system uses a broadcasting mechanism. -
Tablet
The tablet, created by Alan Kay, is a portable computer larger than a smartphone, integrated into a touch screen that is primarily finger-operated without the need for a physical keyboard or mouse. -
Mobile phone
The mobile phone, invented by Martin Cooper, is a means of wireless communication via electromagnetic waves. -
Telephone
A communication system that transmits voice and sound over long distances by electrical or electromagnetic means.