The POS system includes two basic parts: the front-end PoS system and the back-end MIS system.

The front-end POS system refers to using automatic reading equipment (mainly scanners) to directly read product sales information (such as product name, unit price, sales quantity, sales time, sales store, etc.) when selling goods. Purchasing customers, etc.) realize the automation of front-end sales business and provide real-time service and management of commodity transactions.

Backend MIS system is also called management information system. It is responsible for the management of the entire shopping mall's purchase, sales, transfer and inventory systems, as well as financial management, inventory management, attendance management, etc. Extended information

①POS is a multi-functional terminal that can be installed in credit card merchants and acceptance outlets and connected to a computer network to realize automatic transfer of electronic funds. It has the functions of supporting consumption and pre-authorization. , balance inquiry and transfer functions, which are safe, fast and reliable to use.

② MIS systems are usually used for system decision-making. For example, MIS systems can be used to identify problems that urgently need to be solved and provide timely feedback to upper-level managers so that they can understand the progress or deficiencies of current work development. .