The point of sale (POS) is where the transaction is completed, and the time of making the payment by the customer to the merchant for the goods purchased or the service taken. At this point, the merchant prepares an invoice or calculates the amount to be paid by the customer and give options to make payment. After the payment is received, a receipt for the transaction is issued by the merchant. POS terminals includes broad application range such as inventory management, printing bills, loyalty programs, and payments. As a result of the enhanced return on investment (ROI) offered by POS systems the Industry for POS terminals has picked up rapid adoption in the recent years.
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