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barry barry
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Posts: 11630
Rep: 151 1
9 years ago
More than one arrow is needed between symbols on a DFD if
A) data elements always flow together.
B) data elements flow at different times.
C) data elements flow to different locations.
D) there is no guideline on use of single or multiple arrows.
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newstartnewstart
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#1
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Rep: 442 0
9 years ago
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