Assignment 11 - Creative Assignment: Technology Timeline

  • How Alexander Braham started developing the phone

    How Alexander Braham started developing the phone
    Alexander Graham Bell was working on a telegraph improvement, that become the phone, when he started creating the gadget that we cannot live without it.
  • Telephone-Graham Bell

    Telephone-Graham Bell
    Is a system for transmitting voices over a distance using wire or radio, by converting acoustic vibrations to electrical signals.
  • Candlestick phone

    Candlestick phone
    Candlestick phone was divided into two pieces: one part was to spoke and the other one to listen.
  • Rotary and Push-Botton

    Rotary and Push-Botton
    Rotary phone became popular in 1960 because of the facility of calling people and speaking and listening to the same part.
    Push-Botton phone was launched three years later and it made marking numbers easier.
  • First portable phone

    First portable phone
    In 1984, Motorola DynaTAC 8000X, it became the first commercially available handheld cellular mobile phone and its price was 3,995$
  • Today

    Phones have been developing very rapidly in the last decade. Nowadays people can buy a simple smartphone for less than 100$ or a complex one for 1,400$.