Data flow diagrams are useful for modeling processes in ________.
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Q143: In the DeMarco and Yourdon model,the symbol
Q144: _ on a DFD have unique names.
Q145: A _ is the lowest level of
Q146: The symbol for sources/sinks is a _.
Q147: _ is the conservation of inputs and
Q149: A _ is a DFD that is
Q150: The five guidelines for drawing DFDs include
Q151: A _ is a data flow diagram
Q152: If a data flow appears on a
Q153: If your DFD contains data flows that
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