System Analysis and Design
Top-down programming is

an approach in which the top module is first tested then program modules are added from the highest level to the lowest level
a map of the programmer's view of the data
a series or group of components that perform one or more operations of a more complex system
a group of related fields

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System Analysis and Design
Cost-Benefit analysis

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

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