Answer (B) is correct . Edit checks are those that are programmed into the software. They include error listings, field checks, financial totals, hash totals, limit and range checks, preformatting, reasonableness (relationship) tests, record counts, self-checking digits, sequence checks, sign checks, and validity checks. Such checks should be performed on transactions before the master file is updated.
Answer (A) is incorrect because Edit checks also include detective and corrective controls.
Answer (C) is incorrect because Edit checks are not necessary for a system to run; they are purely for internal control purposes.
Answer (D) is incorrect because Edit checks are normally performed at the time of input or during manipulation of data, not at the time of output.
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