A data flow diagram (DFD)is a picture of the movement of data between external entities and the processes and data stores within or outside a system.
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Q12: No process can have only _.It would
Q13: What is a DFD? Why are DFDs
Q14: A _ is a picture of the
Q15: When two _ have the same data
Q16: A _ is the work or actions
Q18: A _ can be best understood as
Q19: A _ is the origin and/or destination
Q20: Flowcharting has been criticized by proponents of
Q21: According to the DFD guidelines,the inputs to
Q22: Sources/sinks are sometimes referred to as external
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