System Analysis and Design
Which of the following is not a characteristic of structured system development?

partitioning of systems into manageable levels of detail
specification of the interfaces between modules
All of these
None of these
the use of graphical tools, such as data-flow diagrams, to model system

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System Analysis and Design
Cost-Benefit analysis

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

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System Analysis and Design
A couple:

None of these
is represented by a line joining two modules
means that the upper module has the capability of calling the lower module
None of these
is a data item that moves from one module to another

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