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

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

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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
None of these
the use of graphical tools, such as data-flow diagrams, to model system
All of these

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