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computer Charles Babbage
an electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program. -
telegraph Josep Henry
Communication system that allows the transmission of information by means of electrical impulses and using a pre-established sign code like the mors -
telephone Alexander Graham Bell
The telphone is han invention crated by Alexander Graham Bell in the year 1876 to call and comunication -
radio Guglielmo Marconi
Radio is a means of communication that is based on the sending of audio signals through radio waves. -
television John Logie Baird
Remote image and sound transmission system -
tablet Alan Kay
Tablet (or tablet) is a mobile computing device in which the touch screen occupies almost its entire size and in which there is no physical keyboard. -
mobile phone Martin Cooper
Mobile or cell phone, device to be able to communicate anywhere and at any time of the day.