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computer,Charles Babbage
Electronic machine capable of storing information and processing it automatically through mathematical operation, controled by computer programs.
And it used for manipulate information or data and you can used for tpe computers,seds emails,play games... -
telegraph,Samuel Morse
Device that uses electrical signals to exchange Morse code messages, using wire lines or radio communications sends information bay making and breaking an electrical connection. -
telephone, Antonio Meucci
The telephone is a telecommunication gadget created to transmit acoustic signals at a distance by means of electrical signals, transmit sounds at a distance. -
radio,Guillermo Marconi
Used to pass information from one place to another thogh the intervening media.
is a sound communication by radio waves,usually the tranmission of music,news and other types of programs. -
Television,Vladímir Zvorikin and Philo Farnsworth
Electronic device for the reception and reproduction of television signals.
It is used for the transmission and reception of images and sounds at a distance that simulate movements, -
mobil phone,Martin Cooper
The mobil phone is a wireless handheld , that allows users to ,make and recive calls. -
tablet, Alan Kay
it is a device in which you can write and navigate quickly, they are also more practical and more manageable.
The people used to work and for entertain you can play,work...