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A proposed transaction processing application will have many
data capture sources and outputs in both paper and
electronic form. To ensure that transactions are not lost
during processing, the IS auditor should recommend the
inclusion of:
A. validation controls.
B. internal credibility checks.
C. clerical control procedures.
D. automated systems balancing.
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Answer: D
Automated system's balancing would be the best way to ensure
that no transactions are lost as any imbalance between total
inputs and total outputs would be reported for investigation
and correction. Validation controls and internal credibility
checks are certainly valid controls, but will not detect and
report lost transactions. In addition, although a clerical
procedure could be used to sum and compare inputs and
outputs, an automated process is less susceptible to error.
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