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

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

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System Analysis and Design
Positive testing is

running the system with line data by the actual user
is checking the logic of one or more programs in the candidate system
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

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