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
designed to permit tracing of any input record or process performed on a system, back toits original sources
All of these

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System Analysis and Design
Cost-Benefit analysis

None of these
estimates the hardware and software costs
evaluates the tangible and non-tangible factors
All of these
compares the cost, with the benefits, of introducing a computer-based system

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System Analysis and Design
A couple:

is a data item that moves from one module to another
is represented by a line joining two modules
means that the upper module has the capability of calling the lower module
None of these
None of these

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