System Analysis and Design
Cost-Benefit analysis

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

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System Analysis and Design
The approach used in top-down analysis and design is

to identify a top level function an d then create a hierarchy of lower-level modules and components.
to identify the top level functions by combining many smaller components into a single entity
to prepare flow charts after programming has been completed
all of the listed here

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