System Analysis and Design
Inverted list organization

None of these
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.

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System Analysis and Design
In a Decision tree

the branch, to be followed, depends on the conditions and decisions, to be made
all of the listed here
the root is drawn on the left and is the starting point on the decision sequence
the nodes represent the conditions, with the right wise of tree listing the actions to be taken

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