POS terminal or POS system, is a device used in retail and hospitality businesses to process transactions. It typically includes hardware components such as a computer or tablet, a cash drawer, a barcode scanner, and a receipt printer. POS machines are used to ring up sales, accept payments (credit/debit cards, cash, etc.), calculate the total amount due, generate receipts, and often manage inventory and customer data. They play a crucial role in streamlining checkout processes and maintaining accurate records of sales transactions in businesses.




