4 - IS Audit and Input Controls

Example example sales for a batch of transactions and

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Unformatted text preview: tal source input documents • Totals a quantitative field such as total Totals quantitative field such as total and compares this total to the number of records at other stages of input preparation. • Example: Example: sales for a batch of transactions and compares this number to the total calculated manually. • Example: – Number of order forms should match the total number of order input transactions for a batch order order entry system. BUSI 335 Copyright © 2009-10 Y.M. Cheung, W. Tan, C. Woo and P. Bera – Sales total 45 BUSI 335 Copyright © 2009-10 Y.M. Cheung, W. Tan, C. Woo and P. Bera Run-to-Run Totals Totals Hash Totals Totals • Totals can be generated during processing to • Totals nonquantitative data fields for nonquantitative fields for compare the number of input transactions to the compare the number of input transactions to the number of transactions that have updated a file, or to output totals. The totals can represent total transactions processed or totals...
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