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The first mechanical computer was by Charles Babbage. -
Telegraph was invented in 1835 but the first telegraph was issued in 1844. -
The telephone was invented by Alexander Graham Bell and has not stopped evolving since. -
Guillermo Marconi achieves the link across the English Channel between Dover (England) and Boulogne (France), in what was the first transmission between the two countries. -
Television was invented by John Logie Baird 1923 and the first television picture was broadcast by Baird in 1926. -
It was the American engineer Alan Kay who first proposed something very similar to a tablet in 1968. -
An American electronics engineer and inventor. He is regarded as one of the pioneers in the development of mobile telephony.