System Analysis and Design
An audit trial is

All of these
designed to permit tracing of any input record or process performed on a system, back toits original sources
None of these
post-auditing the system after its implementation
test data used by the system auditor

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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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