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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System Analysis and Design
A Turnaround document

All of these
None of these
is circulated among all the staff of an organization.
is output at one point which later comes back as an input
is circulated among all the heads of departments of an organization.

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