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POS system is a computerized network of hardware and software components used by businesses to facilitate sales transactions and manage various aspects of their operations. Typically consisting of a combination of devices such as cash registers, barcode scanners, receipt printers, and software applications, a POS system allows businesses to process payments, track inventory, generate sales reports, and manage customer data efficiently. POS systems are commonly used in retail stores, restaurants, and other businesses where goods or services are sold to customers.