All of the following are guidelines for preparing data flow diagrams except
A)show the most detail in the highest-level DFD.
B)include all storage files,even if they are only temporary.
C)uniquely name all data flows.
D)sequentially number process bubbles.

Question

Quizplus · Accepted Answer

The correct guideline for preparing data flow diagrams is to show the most detail in the lowest-level DFDs, not the highest-level. The highest-level DFD (context diagram) provides a summary view, and detail increases with each lower level.

All of the Following Are Guidelines for Preparing Data Flow