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Computer Systems - Coggle Diagram

- - - - Output Device allows computer to display information to users
        
        Speakers
        
        Printers
        
        Display Screens
      - Memory allows the computer to store the data it is using and processing (Primary) RAM - Random Access Memory
      - Input Device allow users to enter data into computer
        
        Camera
        
        Mouse
        
        Keyboard
      - Motherboard - holds many components such as the processor and memory
      - Processor - carry out instructions, process data and do calculations
      - Storage devices are used to store programs and data
        (Secondary Storage)
        
        Thumb drive
        
        SD card
        
        Solid State Drive (SSD)
        
        Hard disk
        
        Secondary storage is non-volatile and permanent storage.
        
        Larger capacity and less expensive
        
        Can be internal and external
      - Memory allows the computer to store data it is using and processing (Primary) RAM - Random Access Memory
        
        RAM is volatile memory as it can only store data temporarily.
        Will disappear once power if off
        
        Read-Only Memory (ROM) Contains instructions to start the computer
        
        Cache memory
        Stores data the computers uses frequently. Faster than RAM
    - - Deleting system file
      - Overheating
      - Spilling liquids and foods
      - Knocking or rough handling
      - Plugging devices into the wrong slots
      - Using outdated antivirus software
- - - - graphical user interface (GUI)
        Four features of a GUI
        
        Pointers
        
        Menus
        
        Icon
        
        Windows