System Analysis and Design
HIPO

None of these
captures the essence of top down decomposition.
is a forms-driven technique in which standard forms are used to document the information
consists of a hierarchy chart and an associated set of input/process/ output charts
All of these

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System Analysis and Design
Direct-access organization

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

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