In a data flow diagram (DFD), two parallel lines represent the data store symbol.
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Q13: The following symbol represents a disk data
Q14: A context diagram is a top-level diagram
Q15: Data flow diagrams (DFDs) depict a system's
Q16: Flowcharts are commonly used for new systems
Q17: The following symbol represents a manual process
Q19: Systems documentation is used to understand, explain,
Q20: The advantage of a physical data flow
Q21: Internal entities are included on data flow
Q22: An external entity is a person, place,
Q23: When we convert to an enterprise system,
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