Page 27 - Demo

جميع الحقوق محفوظة ـ اإلعتداء عىل حق املؤلف 27 بالنسخ أو الطباعة يعرض فاعله للمسائلة القانونية■ Programmed edit checks:• Completeness check:Examines the data input to ensure that all critical fields contain values. • Field check: Examines a field to determine whether it contains the appropriate type of data (alpha or numeric). • Sign check: Examines a field to determine whether the amount sign is correct (positive or negative). • Limit check: Examines a field to determine whether the amount is ≤ a prescribed upper limit or ≥ a prescribed lower limit. • Range check: Examines a field to determine whether the amount falls within prescribed range. (Discount allowed from 20-25%) • Reasonableness check:Compares the data in a field with data in related fields to determine whether the value is reasonable. (date field do not contain names) • Validity check: Compares the data in a field with a predetermined set of authorized values to ensure the field contains valid data. (date field can’t accept zero values) ■ Input error correction: source documents containing errors detected during input are corrected and resubmitted before being processed. D/1: Processing Controls:Designed to prevent or detect and correct errors that occur during processing Validation: Identifiers are matched against master files to determine existence. For example, any accounts payable transaction in which the vendor number does not match a number on the vendor master file is rejected. Completeness.: Any record with missing data is rejected. Arithmetic controls. Cross-footing compares an amount to the sum of its components. Zero-balance checking adds the debits and credits in a transaction or batch to ensure they sum to zero.