System Analysis and Design
An audit trial is

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

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System Analysis and Design
Which of the following is not true of the conversion phase of the development life cycle?

steps must be taken to phase out the old system
documentation should be emphasized
the user and systems personnel must work closely together
the non machine components of the system should be considered

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