System Analysis and Design
The model base cannot be prepared until

the MIS staff has been acquired and organized
None of these
the preparation of physical facilities
the computer has been selected
both (a) and (b)

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System Analysis and Design
A square symbols

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

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