Ó 2002 Prentice Hall                                                                     2
Information Systems
for Business Transactions
*A transaction is a business event; it might be a sale to a customer, a purchase from a supplier or vendor, or a payroll payment to an employee.
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*A transaction processing system (TPS)  is a firm’s basic accounting and record-keeping system that keeps track of routine daily transactions necessary to conduct business.
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§Examples of transaction processing systems include sales order entry, ticket and hotel reservations, payroll, accounts receivable, and inventory.