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

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

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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
Sequential organization

None of these
means storing records in contiguous blocks according to a key.
Stores records sequentially but uses an index to locate records
has records placed randomly throughout the file
uses an index for each key type

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System Analysis and Design
Acceptance testing is

is checking the logic of one or more programs in the candidate systems
making sure that the new programs do in fact process certain transactions according to Specifications
running the system with line data by the actual user
testing changes made in an existing or a new program

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