Data flow diagrams (DFDs) depict a system's components; the data flows among the components; and the sources, destinations, and storage of data.
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Q10: System flowcharts use only four symbols.
Q11: The following symbol represents general purpose input-output.
Q12: Data flow diagrams (DFDs) present a comprehensive
Q13: The following symbol represents a disk data
Q14: A context diagram is a top-level diagram
Q16: Flowcharts are commonly used for new systems
Q17: The following symbol represents a manual process
Q18: In a data flow diagram (DFD), two
Q19: Systems documentation is used to understand, explain,
Q20: The advantage of a physical data flow
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