System Analysis and Design
The first step of the implementation phase is

announce the implementation project
prepare physical facilities
implementation planning
None of these
select the computer

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System Analysis and Design
A couple:

None of these
means that the upper module has the capability of calling the lower module
None of these
is a data item that moves from one module to another
is represented by a line joining two modules

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System Analysis and Design
An open rectangle

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

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