System Analysis and Design
A couple:

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

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System Analysis and Design
Rapid prototyping proves the quality of a design by

having a program simulate the real system
both (a) and (b)
having a data flow diagram
None of these
having the system analyst present an overview of the design to users, programmers, and consultants

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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 user and systems personnel must work closely together
the non machine components of the system should be considered
documentation should be emphasized

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