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The first mechanical computer was created in 1822 by Charles Babbage. -
in 1832 The first telegraphic model developed by Morse appeared. Morse's apparatus, which issued the first public telegram in 1844 -
In 1876 Alexander Graham Bell invented the telephone but This past March 7 marks the 145th anniversary of Alexander Graham Bell patenting the telephone in 1876, referred to as a device that transmits sounds through a cable through electrical signals. -
In 1910 El primer aparato de radio de la historia fue la radio galena, inventada en 1910 por los estadounidenses Henry Dunwoody y Greenleaf Whittier Picard. -
In 1923 The first marketable television reception apparatus was created in 1926 and was the work of the Scotsman Baird. It consisted of a mechanical device -
If we want to talk about the first tablet, we have to go back to 1968, the year in which Alan Kay surprised us with a conceptual design that we can consider the common "grandfather" of all electronic tablets. -
in 1984 Martin Cooper The first telephone call was made in 1973 in New York, by the engineer Martin Cooper, known as the father of the mobile phone.