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Computer System - Coggle Diagram

- - - - graphical user interface(GUI)
        four features of GUI
        
        icon
        
        menu
        
        window
        
        Pointers
- - - - cable connection
        to computer is secure
      - Check power on
    - - wait
      - Use task Manager to close application
    - - Check network cable is connect to PC
      - Check wireless adapter is on and connected to network
    - - Do not leave them unattended to prevent lost of device
      - to remove or eject external storage
        devices such as flashdrives safely
      - back up our files regularly.
    - - Knocking or rough handling
      - Spilling liquids and food
      - Deleting system files
      - overheating
      - Plugging devices into the wrong slots
      - Using outdated antivirus software