System Analysis and Design
A couple:

is represented by a line joining two modules
None of these
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

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System Analysis and Design
The outstanding Invoice file should be stared on a Pardon Access Storage Device if

inquires concerning payable are to be answered on-line
payment recording is done in a batch rode
None of these
last record points to the first record
invoice data entry is on-line.

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System Analysis and Design
In top down analyis and design

each succeeding phase is less detailed than the phase before it
each succeeding phase is more detailed than the phase before it
each succeeding phase is as detailed as the phase before it.
all of the listed here

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