System Analysis and Design
Which of the following is not true of the conversion phase of the development life cycle?

steps must be taken to phase out the old system
the non machine components of the system should be considered
documentation should be emphasized
the user and systems personnel must work closely together

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System Analysis and Design
A square symbols

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

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