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

operational feasibility
None of these
economic feasibility
technical feasibility
All of these

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System Analysis and Design
A structure chart is

None of these
a statement of information processing requirements
a document of what has to be accomplished
All of these
a hierarchical partitioning of the program

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System Analysis and Design
A square symbols

identifies data flow
None of these
defines a source or destination of system data
is a data store-data at rest, or a temporary repository of data
represents a process that transforms incoming data flow(s) into outgoing data flows

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