System Analysis and Design
The approach used in top-down analysis and and design is

to prepare flowcharts after programming has been completed
None of these
All of these
to identify a top level function and then create a hierarchy of lower level modules and components
to identify the top level functions by combining many smaller components into a single entity.

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System Analysis and Design
A couple:

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

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