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
payment recording is done in a batch rode
None of these
invoice data entry is on-line.
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
means storing records in contiguous blocks according to a key
stores records sequentially but uses an index to locate records

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