System Analysis and Design
Inverted list organization

None of these
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
uses an index for each key type

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System Analysis and Design
A square symbols

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

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