System Analysis and Design
Inverted list organization

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

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System Analysis and Design
An open rectangle

is a data store-data at rest, or a temporary repository of data
identifies data flow
None of these
represents a process that transforms incoming data flow(s) into outgoing data flows
defines a source or destination of system data

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