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The computer, created by Charles Babbage, is a machine that stores and automates information through computer programs designed specifically for this task.
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A device created by Samuel Morse which uses electrical signals to transmit coded text messages (such as Morse code) via wire or radio communications.
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Radio is a method of communication invented by Guglielmo Marconi, which is based on sending audio signals via electromagnetic radio waves propagating in space.
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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.
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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.
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The mobile phone, invented by Martin Cooper, is a means of wireless communication via electromagnetic waves.
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A communication system that transmits voice and sound over long distances by electrical or electromagnetic means.