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        Invented by Tim Paterson, MS-DOS is an operating system developed for x86- based personal computers. - 
  
  
        Invented by Apple, Apple Lisa was one of the first personal computers to present a graphical user interface. - 
  
  
        Invented by Martin Cooper, the DynaTAC 8000x was the first mobile phone. - 
  
  Invented by Bill Gates, The Windows Operating System made using a computer intuitive.
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  Invented by Gunpei Yokoi, the Nintendo Gameboy helped advance the world of handheld video games consoles.