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Computer / Charles Babbage
It used to communicate, learn, learn ... through a screen. -
telegraph/ Joseph Henry
is a device or device that uses electrical signals for the transmission of encrypted text messages -
Telephone/Antonio Meucci
Device that emits waves and is used to communicate at a distance. -
Radio/ Guglielmo Marconi
It is a method of communication that emits sound waves. -
television/Joseph Henry
It is a device that infuses you with knowledge of others through some images -
Tablet / Alan Kay
It is a device with different functions that serves both for entertainment and for work -
Mobil phone /Martin Cooper
It is a device that emits waves and is used to communicate and send messages.