One type of cash register: the number of departmental classifications is 8-15, the number of individual commodity management is less than 500, and there are daily business statistics. It refers to a cash register that can only manage a small number of commodity items by using a single machine that cannot be networked and can be managed to several to dozens of departments. This type of cash register has a wide variety of products, performance is basically the same, and the price is relatively low. The cash register processing program is fixed in the cash register and can not be changed. The cash register can only provide simple statistical reports. Because the data storage area is small, the data retention cannot be indefinite and needs to be cleared periodically.
The second type of cash register: the number of departmental classification is 30-99, the number of individual commodity management is 500-7000, and there are rich daily and monthly turnover statistics reports, which can be networked with computers. It can be run in a single machine or networked. It can be managed to several to dozens of departments. It can manage a certain number of commodity items, and can also connect simple peripherals, such as bar code scanning equipment. There are also many types of cash registers in this category, and there are some differences in price and performance. Individual cash registers can print Chinese characters. The cash register processing program is fixed in the cash register and can not be changed. The receipt statistical report can be obtained from the cash register or from the networked computer. The cash register and the computer use the RS232 interface for communication.
Three types of cash registers: POS machines, consisting of 486 or more computer mainframes, 9-inch monitors, cash boxes, high-speed printers, standard keyboards, etc., with standard computer interfaces. Also known as PC-BASE type cash register, its hardware base is the basic components of general-purpose computers. It adopts international specifications during production and has high standardization procedures. Because the hardware can well support the system software and the application software that meets various needs, in particular, it can use the more mature Chinese character system to realize the Chinese character input, display and printing of the national standard font. The third type of cash register has a common interface of the computer, can be connected to a variety of networks, and has a dedicated interface suitable for the business environment, such as a magnetic card reader, a cash box, a bar code reader peripheral interface, and also has a dedicated for the business environment. Keyboard, and each button can be redefined. Due to the complex application environment, its anti-interference ability requirements and durability are much higher than those of general-purpose computers.