System Analysis and Design
In top down analyis and design

all of the listed here
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.

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System Analysis and Design
In Decision trees

the root is drawn on the left and is the starting point on the decision sequence.
the branch depends on the condition and decisions to made
nodes represent the conditions, with the right side of tree listing the actions to be taken
None of these
All of these

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