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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 -
Computer- Charles Babbage
An electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program -
Telephone- Graham Bell
A system for transmitting voices over a distance using wire or radio, by converting acoustic vibrations to electrical signals. -
Radio- Guglielmo Marconi
The transmission and reception of electromagnetic waves of radio frequency, especially those carrying sound messages. -
Television- Philo Taylor Farnsworth
A system for converting visual images (with sound) into electrical signals, transmitting them by radio or other means, and displaying them electronically on a screen. -
Mobile Phone- Martin Cooper
A telephone with access to a cellular radio system so it can be used over a wide area, without a physical connection to a network. -
Tablet- Microsoft/Bill Gates
Is a mobile device, typically with a mobile operating system and touchscreen display processing circuitry, and a rechargeable battery in a single, thin and flat package.
