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Software - Coggle Diagram

- - - - some malicious software can make use of vunerablitities
      - Make changes to tailor to your needs
    - - Possible community to help
      - No official support
- - - - Scans and removes malicous files
    - - Prevents unwanted network access
    - - Make files smaller so they take up less space / transmit faster
    - - Scrambling a file to make it unreadable without a key
    - - Parts of files can be stored seperated on the hard-drive. Eventually this can harm performance. Defragmentation re-organises data fragments for better efficiency
    - - Copy files to another location or disk incase of ransomeware or chorruption - full back up or incremental
  - - - Graphical - Easy to use (WIMP)
      - Command line - difficult to use, good for automation
    - - Organisation
      - Permissions
      - File and folder represantion
    - - Which app has priority to CPU
      - Multitasking: timeslicing on a single core
    - - Device drivers - translate between device and OS
      - Printers, speakers
    - - Deciding how RAM is allocated
      - Manages Virtual RAM