One common experience that students in every college and university share is enrolling in a college course.
Draw a level 1 data flow diagram of data movement for enrollment in a college course. Use a single sheet and label each data item clearly.
Explode one of the processes in your original data flow diagram into sub-processes, adding data flows and data stores.
List the parts of the enrollment process that are “hidden” to the outside observer and about which you have had to make assumptions to complete a second-level diagram.
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