System Analysis and Design
The two classification of inputs are:

None of these
energies and maintenance
maintenance and signal
maintenance and waste
products and waste

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

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

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