System Analysis and Design
Which of the following is not a characteristic of structured system development?

None of these
All of these
the use of graphical tools, such as data-flow diagrams, to model system
specification of the interfaces between modules
partitioning of systems into manageable levels of detail

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System Analysis and Design
A couple:

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

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