Transaction processing refers to the systematic handling of data related to transactions, which are exchanges of goods, services, or information. This process ensures that all transactions are recorded accurately and efficiently, often using computer systems to manage the data. It typically involves steps like data entry, validation, and storage, ensuring that each transaction is completed successfully. In many businesses, transaction processing systems are crucial for maintaining records and managing financial activities. These systems can include point-of-sale systems, online payment gateways, and banking software, all designed to facilitate smooth and secure transactions. Effective transaction processing helps organizations track sales, manage inventory, and provide customer service.