System Analysis and Design
In top down analyis and design

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
each succeeding phase is less detailed than the phase before it

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

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

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System Analysis and Design
In a Decision tree

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
the branch, to be followed, depends on the conditions and decisions, to be made

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