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

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

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System Analysis and Design
In a Decision tree

the branch, to be followed, depends on the conditions and decisions, to be made
all of the listed here
the root is drawn on the left and is the starting point on the decision sequence
the nodes represent the conditions, with the right wise of tree listing the actions to be taken

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