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The computer was invented by Charles Babbage -
Samuel Finley Breese Morse, patented the electric telegraph -
The telephone was invented in 1876 by Alexander Graham Bell, it was not a telephone at all, but it transmitted sounds from side to side. -
The radio was invented by Guillermo Marconi -
Television was invented by John Logie Baird in 1923 in the city of Hastings, England and the first television image was broadcast by Baird in 1926 -
By the ingenier Martyn Cooper -
alan kay invented the tablet