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History of mobil device (Smartphone (Generation 1 (Generation 2…

- - - - aditional service
        
        SMS(short message service)
      - Generation 3
        
        screen LCD to colors
        
        games 3D
        
        Mp3 sound
- - - - made
        
        Gavilan computers
      - characteristic
        
        64 to 128 megabytes of memory
      - 1984
        
        characteristic
        
        optional option of LCD
        
        1986
        
        made
        
        Apple computer
        
        characteristic
        
        screen LCD
        
        basic application
    - - 340 kilobytes of memory
      - folding screen
- - - - Atari
    - - console
        
        Mattel electronic auto race
        
        Small screen LCD
      - 1979
        
        console
        
        Micro vision
        
        1990
        
        console
        
        gameboy
- - - - made
        
        Sony
        
        walkman
      - 1990
        
        characteristic
        
        vinyl laser readers
        
        device discman
        
        1992