POS (point of sales) Its full name is point of sale information management system. It is a terminal reader equipped with bar code or OCR code technology, with cash or barter limit cashier function. Its main task is to provide data services and management functions for commodity and media transactions, and conduct non cash settlement. POS is a multi-functional terminal. If it is installed in the special merchants and acceptance outlets of credit cards and connected with the computer into a network, it can realize the automatic transfer of electronic funds. It has the functions of supporting consumption, pre authorization, balance query and transfer, and is safe, fast and reliable. It is difficult to obtain basic business information in block transactions. Importing POS system is mainly to solve the blind spot of retail information management. It is an important part of chain store management information system.(POS machine)
