-
Period: 1500 to
Timeline
-
Telegraph, Joseph Herny
Is a device or device that uses electrical signals to transmit encrypted text messages. -
Telephone, Alexander Graham Bell
Communication system that transmits voice and sound over long distances by electrical or electromagnetic means -
Radio, Guillermo Marconi
It is a means of communication that is based on the sending of audio signals through radio waves -
Television, John Logie Baird
System of transmission of images and sounds at a distance by means of hertzian waves. -
Computer, Honrad Zuse
Electronic machine capable of storing information and processing it automatically through mathematical and logical operations controlled by computer programs. -
Tablet, Alan Kay
Portable electronic device larger than a smartphone, with a touch screen
that emits light -
Mobile telephone, Martin Cooper
It is a portable telephone that can make or receive calls through a radio frequency carrier, while the user is moving within a telephone service area
