System Analysis and Design
An audit trial is

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

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System Analysis and Design
A system analyst designs a new system by

None of these
adopting a developed system to the present environment
developing the system as a large, single unit
propose alternatives to the current system
identifying sub systems and the interfaces between sub systems

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