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Claude Chappe -TELEGRAPH
Device that uses electrical signals to transmit encrypted text messages -
Guillermo Marconi-RADIO
It is a means of communication that is based on the sending of audio signals through radio waves -
ALEXANDRE GRAHAM-TELEPHONE
It was designed to transmit acoustic signals at a distance by means of electrical signals -
Philo Farnsworth-TELEVISION
System for the transmission and reception of images and sounds at a distance that simulate movements, which uses a diffusion mechanism -
Konrad Zuse-COMPUTER
It is a programmable digital machine that executes a series of commands to process the input data, obtaining convenient information that is subsequently sent to the output units -
Alan Kay-TABLET
It is a portable electronic device that is larger than a smartphone or a PDA, it is a single piece that integrates a touch screen -
Martin Cooper-MOBILE PHONE
Is a portable phone that can make or receive calls through a radio frequency carrier
