• they can make incorrect assumptions about the problem based on their prior knowledge of
5-1 Consider a file system with a graphical user interface, such as Macintosh’s Finder,
Microsoft’s Windows Explorer, or Linux’s KDE. The following objects were identified from
a use case describing how to copy a file from a floppy disk to a hard disk: File, Icon,
TrashCan, Folder, Disk, Pointer. Specify which are entity objects, which are boundary
objects, and which are control objects.
5–2 Assuming the same file system as before, consider a scenario consisting of selecting a
file on a floppy, dragging it to Folder and releasing the mouse. Identify and define at least
one control object associated with this scenario.