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A computerised system that is useful in recording, processing, storing and validating routine transaction that take place in a business on a day-to-day basis is known as transaction processing system. Some well-known examples are:
1. Payroll Applications: Such applications process transactions with the help of online and terminal process. The most common uses of such systems are for payroll preparation or processing employee salary.
2. Order Processing: Here orders gets processed to proceed with invoicing, inventory control and account receivables. Order details are received from mails, phone calls or by manual input. This system is used worldwide for online booking for hotels, flights etc.
3. ATM (Automated Teller Machine): These devices manage high volume transactions using sophisticated technology.