System Analysis and Design
Cost-Benefit analysis

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

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System Analysis and Design
System prototyping helps the designer in

all of the listed here
communicating to the user, quickly, how the system, when developed, will look like and get a feedback.
giving a demo of the software, to the system manager to whom he reports
making the programmers understand how the system will function.

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