In a data flow diagram, squares are used to represent external agents - the boundary of the system.
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Q7: A data flow diagram (DFD) is a
Q8: An entity relationship diagram (ERD) is a
Q9: A data flow diagram is a process
Q10: Another name for the data flow diagram
Q11: In a data flow diagram, rounded rectangles
Q13: In a data flow diagram, rounded rectangles
Q14: Data flow diagrams have found new use
Q15: A process is work performed on, or
Q16: Data describe work to be performed on,
Q17: In data flow diagrams, open-ended boxes represent
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