Which of the following is intended to detect the loss or
duplication of input?
A. Hash totals
B. Check digits
C. Echo checks
D. Transaction codes
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Answer: A
Hash totals are the result of totaling specified fields in a
series of transactions or records. If a later summation does
not result in the same number, then records have either been
lost, entered or transmitted incorrectly, or duplicated.
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