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1.5 Systems Software - Coggle Diagram

- - - - Makes use of Windows, Icons, Menus, and Pointers (WIMP)
      - Good for inexperienced users
    - - Good for experienced users
      - Requires the user to know the correct commands
  - - - Allows for use of virtual memory
  - - - A piece of software created by the peripheral manufacturer to allow communication between the computer and the device
      - Usually have to be downloaded and kept up to date
- - - - Allows for the efficient use of hard drives
      - As data is written to the hard drive it is allocated space
      - If the data is deleted it leaves a space
      - Defragmentation closes the gaps
      - Reorganises data so that it becomes contiguous
    - - Software to scramble data so that it cannot be understood if intercepted
    - - Lossy
        
        Removes some data to make a file smaller for storing or transmission
        
        Data cannot be recovered
      - Lossless
        
        Data has to be recovered
        
        Used on files such as document where removing data would make it useless