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Computer systems - Coggle Diagram

- - - - Cache memory
        Stores data the computers uses frequently. Faster than RAM
      - Read-Only Memory(ROM)
        Contains instruction to start the computer
- - - - graphical user interface(GUI)
        Four features of a GUI
        
        Windows
        
        Menus
        
        Pointers
        
        Icon
- - - - Wait
      - Use task Manager to close application
    - - Check network cable is connect to PC
      - Check wireless adapter is on and connected to network
    - - Check cable connection to computer is secure
      - Check power on