Answer (D) is correct . Input controls provide reasonable assurance that processing has been performed as intended for the particular application. A hash total is an input control. A hast total is a control total without a defined meaning, such as the total of employee numbers or invoice numbers, that is used to verify the completeness of data.
Answer (A) is incorrect because Run-to-run control totals are an example of a processing control.
Answer (B) is incorrect because Error listings are an example of an output control.
Answer (C) is incorrect because Dual write routines are an example of a storage control.
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