System Analysis and Design
Cost-Benefit analysis

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

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System Analysis and Design
Most algorithms follow the format of

Entering the input items, then processing the input items, and then displaying the output items
Entering the output items, then processing the output items, and then displaying the output items
Entering the output items, then displaying the output items, and then processing the output items
Entering the input items, then displaying the input items, and then processing the output items
Entering the input items, then processing the output items, and then displaying the output items

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System Analysis and Design
Unit testing is

is checking the logic of one or more programs in the candidate system
testing changes made in an existing or a new program
None of these
running the system with line data by the actual user
making sure that the new programs do in fact process certain transactions according to Specifications

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