Page 28 - Demo

جميع الحقوق محفوظة ـ اإلعتداء عىل حق املؤلف 28 بالنسخ أو الطباعة يعرض فاعله للمسائلة القانونية Sequence check. Computer effort is expended most efficiently when data are processed in a logical order, such as by customer number. This check ensures the batch is sorted in this order before processing begins. Run-to-run control totals. The controls associated with a given batch are checked after each stage of processing to ensure all transactions have been processed. Key integrity. A record's \that uniquely identify the record. No application process should be able to alter the data in these key fields. (value for each of; date, vendor name, product name, is generated as an identifier to this special document no other document can have this number)D/3: Output Controls: Designed to ensure that application system outputs are valid, complete, and accurate and that security over outputs is properly maintained. A complete audit trail should be generated by each process: batch number, time of submission, time of completion, number of records in batch, total dollars in batch, number of records rejected, total dollars rejected, etc. ■ Output review controls: Application system outputs are reviewed for validity, completeness, and accuracy before being distributed to users.  Error listings:report all transactions rejected by the system. These should be corrected and resubmitted by the user. ■ Distribution controls: Distribution of application system outputs is restricted to authorized recipients. ■ End-user controls: End users review the application system outputs they receive for validity, completeness, and accuracy.