System Analysis and Design
Direct-access organization

uses an index for each key type
has records placed randomly throughout the file
means storing records in contiguous blocks according to a key.
Stores records sequentially but uses an index to locate records

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

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