System Analysis and Design
Cost-Benefit analysis

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

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System Analysis and Design
Positive testing is

is checking the logic of one or more programs in the candidate system
making sure that the new programs do in fact process certain transactions according to Specifications
running the system with line data by the actual user
testing changes made in an existing or a new program

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