Transaction processing systems (TPSs)
Are at the heart of most information systems in businesses today
Batch and online processing
Methods of transaction processing systems
TPSs perform the following basic activities:
Data collection
Data editing
Data correction
TPS audit attempts to answer four basic questions
Does the system meet the business need for which it was implemented?
What procedures and controls have been established?
Are these procedures and controls being used properly?
Are the information systems and procedures producing accurate and honest reports
Enterprise resource planning (ERP)
Software that supports the efficient operation of business processes
Most firms use ERP systems to:
Support business intelligence
Production and supply chain management
Customer relationship management and sales ordering
Financial and managerial accounting