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Computer,Charles Babbage
A computer is an electronic system used to store and process data. -
Telegraph,Samuel Morse
The telegraph is an apparatus or device that uses electrical signals for the transmission of coded text messages, such as Morse code, through wire lines or radio communications. -
Telephone,Antonio Meucci
The telephone is a telecommunication device created to transmit acoustic signals at a distance by means of electrical signals. -
Radio,Guillermo Marconi
Radio is a means of communication that is based on the sending of audio signals through radio waves. -
Television,John Logie Baird
Television is a system for the transmission and reception of images and sounds at a distance that simulate movements, which uses a diffusion mechanism. -
Tablet,Alan Kay
Tablets use a touch-sensitive screen so you can quickly type and navigate.With tablets we can do a lot of thinks. -
Mobile phone,Martin Cooper
The function of the cell phone is to communicate and that is the root of its importance, especially in emergency situations.