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Telegraph-Samuel Morse
is an apparatus or devide that uses electrical signal to transmit encoded text messages, such as Morse code, over wire lines or radio communicatios -
Radio-John Logie Baird
It is a means of communication that is based on sending audio signals through radio waves, although the term is also used for other forms of remote audio transmission such as internet radio -
Telephone-Graham Bell
Communication system that transmits voice and sound over long distances by electrical or electromagnetic means. -
Television-John Logie Baird
System for the transmission of images and sounds at a distance by means of Hertzian waves. -
Computer-Konrad Zuse
Electronic machine capable of storing information and processing it automatically through mathematical and logical operations controlled by computer programs. -
Tablet-Alan Kay
It is a portable electronic device that is a larger than a telephone thet emits ligth and with which you enteract primarily with your fingers or a stylus, without the need for a physical keyboard or mause -
Mobile phone-Martin Cooper
Is a type of small-sized computer, with processing capabilities, with an Internet connection, with memory, specifically designed for a function,