System Analysis and Design
In processing controls must be established in a system, in order to

None of these
block or trap faulty data from entry into processing
prohibit tampering with information by unauthorized person
All of these
Verify that all data have been processed

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

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

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System Analysis and Design
Cost-Benefit analysis

evaluates the tangible and non-tangible factors
None of these
compares the cost, with the benefits, of introducing a computer-based system
estimates the hardware and software costs
All of these

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