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

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

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System Analysis and Design
Top-down programming is

a map of the programmer's view of the data
an approach in which the top module is first tested then program modules are added from the highest level to the lowest level
a group of related fields
a series or group of components that perform one or more operations of a more complex system

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System Analysis and Design
Sequential organization

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

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