The main purpose of TPSs is to process, in real-time, a company's business transactions and to support the functionality of the business. A transaction processing system (TPS) is a type of information system that collects, stores, modifies, and retrieves the data transactions of an enterprise.A TPS is a software involves the collection, modification and retrieval of all transaction data. The document discusses transaction processing systems (TPS). Transaction Processing System (TPS) is a type of information system that collects, stores, processes, and retrieves transactional data. The document discusses transaction processing systems (TPS) in accounting information systems. When assignment information is available for non-public applications, Patent Center displays the abstract of title. (z) PMS Payment Management System. Transactions is a secure portal where you can send and receive important messages, complete opening paperwork, and review escrow and title documents online. A TPS records a non-inquiry transaction itself, as well as all of its effects, in the database and produces documents relating to the transaction.