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Telegraph-Samuel Morse
The telegraph is a device or device that uses electrical signals to transmit encrypted text messages. -
Telephone-Alexander Graham Bell
The telephone is a telecommunication device designed to transmit acoustic signals remotely by means of electrical signals. -
Radio-Guillermo Marconi
It is a means of communication that is based on the sending of audio signals through radio waves. -
Television-John Baird
Is a system for transmitting images and sound at a distance through Hertian waves -
Computer-Konrad Zuse
A computer, is an electronic machine that receives and processes data with the mission of transforming it into useful information -
Tablet-Alan Kay
It's a type of laptop, larger than a smartphone or a PDA, integrated into a touch screen (single or multi-touch) with which you interact primarily with your fingers, without the need for a physical keyboard or mouse. -
Mobile phone-Martin Cooper
The mobile phone is an electronic wireless device that allows access to the cellular or mobile phone network.
