System Analysis and Design
The outstanding Invoice file should be stared on a Pardon Access Storage Device if

inquires concerning payable are to be answered on-line
invoice data entry is on-line.
None of these
payment recording is done in a batch rode
last record points to the first record

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System Analysis and Design
Indexed-Sequential organization

has records placed randomly throughout the file
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

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