A POS system, or Point of Sale system, is a combination of hardware and software that businesses use to process sales transactions. It typically includes a cash register, a computer, and a payment terminal, allowing customers to pay for goods and services easily. POS systems can also track inventory, manage customer data, and generate sales reports. Modern POS systems often integrate with other business tools, such as inventory management and customer relationship management software. They can accept various payment methods, including credit cards, mobile payments, and cash. This technology helps streamline operations and improve the overall customer experience.