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Claude Chappe- Is an apparatus or device that uses electrical signals to trasmit encoded text messages.
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Alexander Graham- Communication system that transmits voice and sound over long distance by electrical or electromacnetical means.
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Guillermo Marconi- A musical program is one whose fundamental element is music.
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Philo Famsworth- Is a system of transmision of images and sounds in dinstance.
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Konard Zuse-It's a programable digital machine that executes eries of commands to process the input data.
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Alan Kay- Is a portable electronic device largeter a smartphone or a PDA.
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Martin Cooper- A telephone with access to a cellular radio system so it can be used over a wide area without physical connection to a network.
