Operating systems - GUI

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Across
  1. 2. List of selectable options.
  2. 3. Enhances PC use for disabled users.
  3. 7. Displays open programs.
  4. 10. Interface element for programs.
  5. 11. Mouse-controlled arrow.
  6. 12. Graphical User Interface.
  7. 14. Operating system with open-source code.
  8. 15. Microsoft's PC operating system.
Down
  1. 1. Rewrites data for disk space.
  2. 4. Background screen with icons.
  3. 5. Watches DVDs and plays music.
  4. 6. Apple's computer operating system.
  5. 8. GUI components - Windows, Icons, Menus, Pointer.
  6. 9. Programs enhancing system performance.
  7. 13. Corporate mainframe/workstation OS.