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COMPUTERS
The word "computer" was first recorded in 1613. And it was originally used to describe a human who performed calculations. The definition of the computer remained the same until the end of the 19th century, when the industrial revolution gave rise to machines whose main purpose was calculation. -
TELEGRAPH
In 1898, Valdemar Poulsen invented the telegraph, the first machine to record sound magnetically. He named it that, because Poulsen's intention was to record a voice message in the event that a phone call occurred in his absence from the user. I mean, in a sense, Poulsen invented the first answering machine. -
Telephone
This past March 7 marks the 145th anniversary of Alexander Graham Bell patented the telephone in 1876, referred to as a device that transmitted sounds through a cable through electrical signals. Bell was long considered the inventor of the telephone, along with Elisha Gray. -
RADIO
One hundred years ago, on December 12, 1901, the Italian physicist Guillermo Marconi invented radio, connecting Europe and America for the first time by means of a radiotelegraphic signal, a historic date for the development of modern communications. -
TELEVISION
The story begins in 1926, when the engineer John Logie Baird invented television after several attempts to copy the radio's electromagnetic wave system. With a great financial effort and without receiving help from investors, Baird managed to revolutionize telecommunications with this incredible device. -
TABLET
It was the American engineer Alan Kay who first proposed something very similar to a tablet in 1968. -
MOBILE PHONE
It was early March 1984. It was the Morotola DynaTAC 8000X, a tremendous 'hulk' that became the first mobile phone as we know it today available for commercial use.