System Analysis and Design
On the feasibility committee, department representatives serve as:

ready sources of information
direct users of the new system
liaison to their departments
all of the listed here

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System Analysis and Design
An audit trial is

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

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