Systems Analysis and Design

TENTH EDITION

Draw a context$-$level data flow diagram of a random university$$s registration system.

a$.$ Label each entity and process.

b$.$ Why there appear to be different ways to draw the diagram. Reach consensus about the best way to draw the diagram and defend your choice in a paragraph.

c$.$ Now follow the appropriate steps for developing an E$-$R diagram and create one for your school or university registration system. Make sure you label the relationship you depict as to whether it is one$-$to$-$one, one$-$to$-$many, many$-$to$-$one, or many$-$to$-$many.