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Telecommunication inventions

  • Telegraph - Samuel Morse

    Telegraph - Samuel Morse
    The telegraph is a machine used to transmit coded information by electrical signals.
  • Computer - Charles Babbage

    Computer - Charles Babbage
    A computer is a machine or device that performs processes, calculations, and operations according to instructions provided by a software or hardware program.
  • Telephone - Alexander Graham Bell

    Telephone - Alexander Graham Bell
    The telephone is a telecommunication device created to transmit acoustic signals at a distance by means of electrical signals.
  • Radio - Guglielmo Marconi

    Radio - Guglielmo Marconi
    The radio is a means of communication that is based on the sending of audio signals through radio waves.
  • Television - Charles Francis Jenkins

    Television - Charles Francis Jenkins
    The television is a system of transmission of images and sound at a distance through Hertian waves.
  • Mobile phone - Martin Cooper

    Mobile phone - Martin Cooper
    The mobile phone is a wireless handheld device that allows users to make and receive calls.
  • Tablet - Alan Kay

    Tablet - Alan Kay
    A tablet is a wireless portable personal computer with a touch screen interface.