System Analysis and Design
An audit trial is

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
post-auditing the system after its implementation

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System Analysis and Design
The black-box concept:

None of these
All of these
is invoked by describing a system in terms of inputs and outputs, leaving the transformation process a black box.
assumes that the black box is independent
assumes that inputs and outputs will remain stable

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System Analysis and Design
The background and experience of analyst include;

a background in systems theory and organization behavior
None of these
All of these
familiarity with the makeup and inner workings of major application areas such as financial accounting, personnel administration, marketing and sales, operations management, model buil
competence in system tools and methodologies and a practical knowledge of one or more programming and data base languages.

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