System Analysis and Design
The data base be prepared until

the preparation of physical facilities
the MIS staff has been acquired and organized
All of these
the computer has been selected
None of these

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System Analysis and Design
A square symbols

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

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System Analysis and Design
In Decision trees

All of these
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

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