The analysts at Techno InfoSystems are considering the four-model approach to system development for a new client.
-When data flow diagrams (DFDs) are drawn, which of the following conventions should be followed?
A) Each context diagram must fit on one page.
B) Use the same names within each set of symbols.
C) Do not cross lines.
D) Use a unique reference number for each process symbol.

Question

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The Answer of The analysts at Techno InfoSystems are considering the four-model approach to system development for a new client.
-When data flow diagrams (DFDs) are drawn, which of the following conventions should be followed?
A) Each context diagram must fit on one page.
B) Use the same names within each set of symbols.
C) Do not cross lines.
D) Use a unique reference number for each process symbol.

The Analysts at Techno InfoSystems Are Considering the Four-Model Approach