BUS 120 - Periodically, the batches are entered into the...

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Tuyet Nhung Le Bus 120A 09/05/2011 Batch Processing Versus Online-Realtime Processing Updating done periodically, such as daily is referred to as batch processing. Although batch processing is cheaper and more efficient, the data are current and accurate only immediately after processing. For that reason, batch processingis used onlu foe applicstions, such as payroll, rhar di not need frequent updating and that naturally occur or are processed at fixed time periods Most companies update each transaction as it occurs, referred to as online, real-time processing because it ensures that stored information is always current, htereby increasing its decision making usefulness. It is also more accurate because data input errors can be corrected in realtime or refused. It also provides significant competitive advantages. Source documents are grouped into batches, and control totals are calculated.
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Unformatted text preview: Periodically, the batches are entered into the computer system, edited, sorted, and stored in a temporary file. The temporary transaction file is run against the master file to update the master file. Output is printed or displayed, along with error reports, transaction reports, and control totals. Online batch processing: Transactions are entered into a computer system as they occur and stored in a temporary file. Periodically, the temporary transaction file is run against the master file to update the master file. The output is printed or displayed. Online, real-time processing Transactions are entered into a computer system as they occur. The master file is immediately updated with the data from the transaction. Output is printed or displayed....
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This note was uploaded on 10/14/2011 for the course ECON 120 taught by Professor Johnson during the Spring '11 term at San Jose State University .

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