System Analysis and Design
The feasibilities studied in preliminary investigation is (are):

operational feasibility
economic feasibility
technical feasibility
All of these
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 branch, to be followed, depends on the conditions and decisions, to be made
the nodes represent the conditions, with the right wise of tree listing the actions to be taken

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