Data processing system in computerized environment is generally Batch Processing or On-Line Real Time (OLRT) system which can be distinguished as under:
|Batch Processing||On-Line Real Time (OLRT)
|ü Transactions are accumulated and
processed in group.
|ü Transactions are processed as
and when they occur.
|ü Two types of files are maintained master
file is updated when batch processing is run.
|ü Only master file is maintained. It keeps updating.|
|ü Updating does not take place as quickly as in On-Line Real time system.||ü Though updating takes place
immediately the processing becomes complex.
|ü Not useful when instant and updated
results are required.
|ü Useful for immediate reporting
|ü Generally, provides Audit trail.||ü Generally, does not provide
audit trail and hence requires more attention of auditor.