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ais ch #17 - Alec Kraft Accounting Information Systems...

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Alec Kraft Accounting Information Systems Ch.17 DQ: 4. The purpose of the check digit is to allow the integrity of the code to be established during subsequent processing through a control digit that is added to the data code when the data code is originally assigned. 5. No, a hash total is based on a nonfinancial field such as an order number, customer account number, or inventory number. The hash total adds these numbers together to calculate the hash total which keeps track of the records in a batch. P: 1. A. Missing data check b. Check digit c. Check digit d. Reasonableness check e. Reasonableness check f. Reasonableness check g. Validity check h. Limit check i. Range check j. Validity check 2. Type of Fraud Explanation Description of protection methods a. Input Manipulation Someone inputs information that is incorrect Use a limit check which identifies field values that exceed an authorized limit. b. Program alteration When the codes of the software are changed to something they are not supposed to.
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