Leveling ____.
A) uses a series of increasingly detailed DFDs to describe an information system
B) ensures that the input and output data flows of the parent DFD are maintained on the child DFD
C) uses a series of increasingly sketchy DFDs to describe an information system
D) ensures that the input and output data flows of the child DFD are maintained on the parent DFD
Correct Answer:
Verified
Q14: A data _ is a central storehouse
Q15: _ maintains consistency among DFDs by ensuring
Q16: A DFD shows _.
A)how data are related
B)what
Q17: A spontaneous generation process is a process
Q18: _ is/are logically impossible in a DFD
Q20: A black hole is a process that
Q21: In a data dictionary, _ refers to
Q22: The data dictionary usually records and describes
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