desktop vs mainframe

desktop

noun
  • A personal computer, as opposed to computers for business or server purposes. 

  • The wallpaper of this interface. 

  • The main graphical user interface of an operating system, usually displaying icons, windows and background wallpaper. 

  • The top surface of a desk. 

  • A desktop computer. 

adj
  • Of an application or website, designed to be run or viewed on a personal computer. 

  • Designed for use on a desk or similar piece of furniture. 

mainframe

noun
  • A large, powerful computer able to manage very many simultaneous tasks and communicate with very many connected terminals; used by large, complex organizations (such as banks and supermarkets) where continuously sustained operation is vital. 

How often have the words desktop and mainframe occurred in a corpus of books? (source: Google Ngram Viewer )