System Analysis and Design
Sequential or series testing is

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

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System Analysis and Design
Cost-Benefit analysis

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

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