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

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

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System Analysis and Design
In top down analyis and design

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

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