1. Transaction processing systems (TPS) are computerized systems that perform and record routine daily transactions necessary to operate a business. They serve the operational level of an organization.
2. TPS process input data from transactions and update stored data. They produce output reports and ensure accuracy and integrity of transaction data.
3. The main functions of TPS are input, processing, output, and storage. They capture transaction data, validate and store the information, process the transactions, and generate reports.