System Analysis and Design
A couple:

None of these
None of these
is a data item that moves from one module to another
is represented by a line joining two modules
means that the upper module has the capability of calling the lower module

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System Analysis and Design
A Decision table

shows the decision paths
gets an accurate picture of the system
documents rules, that select one or more actions, based on one or more conditions, from a set of possible conditions.
represents the information flow

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