System Analysis and Design
Sequential organization

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

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System Analysis and Design
A Decision table

documents rules, that select one or more actions, based on one or more conditions, from a set of possible conditions.
shows the decision paths
represents the information flow
gets an accurate picture of the system

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