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Computer, Charles Babbage
It is a system made up of programs and electronic elements, which together allow the processing and ordering of information.
Works by executing a series of commands to process the input data. -
Telegraph, Samuel Morse
Communication system that allows the transmission of information by means of electrical impulses.
Through a metallic cable, it was possible to establish contact by sending different downloads following this code. -
telephone, Alexander Graham Bell
It is a device that allows you to call, transmid sounds from a large distance through the use of electrical signals.
Cell phones work by sending signals (and receiving signals). -
Radio, Guillermo Marconi
It is a means of communication that is based on the sending of audio signals through radio waves.
The transmitter registers the information it wants to transmit (such as the voice of the announcer or a song) in the form of an electrical signal. -
Television , Jhon Logie Baird
Remote image and sound transmission system by means of hertzian waves.
The television tube transforms the electrical signal it receives into the image we see on the screen. -
Tablet, Alan Kay
Is a mobile computing device in which the touch screen occupies almost its entire size, works without physical keyboard. -
Mobil phone, Martin Cooper
It is a new technology device.
Work when sending messages, calls from long distances, comunicated with other people by social networks.