The main components of the cash register are: cash register, cash register, computer mainframe, cash box, scanner, keyboard, cash register printer, customer display, computer display, card reader.
1. Main board---Central data processing unit
2. Memory - store information, data, programs
3. Keyboard - used to enter various sales data
4. Printer --- used to print sales invoices and manage stubs
5. Display - for the convenience of cashiers and customers for human-machine dialogue
6. Cash box - used to store cash receipts
7. External device interface - used to connect various external devices
Cash register accessories are gradually increasing, and the following are common.
1) Printer---The electronic cash register can be connected to an external printer (such as kitchen printers and ticket printers used in the restaurant industry) in addition to the built-in printer.
2) Barcode reader---also known as barcode scanner, which is a barcode reading device. It can be divided into four kinds of appearances: pen type, hand-held type, desktop type, and card type. According to the light source, it can be divided into two types: Infrared light and laser.
3) Magnetic card reader---It is a device for reading or writing magnetic recording signals. Read the information recorded by the credit card into the cash register. There are many types and models, and the number of tracks is divided into three types: single track, double track and triple track.
4) Electronic scale---When the scale is used to measure goods, the electronic scale transmits the weight data to the cash register.
5) Modem--- That is, MODEM is to transmit the data of the cash register to the computer through the telephone line.
6) Backup power supply---that is, the UPS is used to supply power directly to the cash register after the power is turned off.
7) Communication networking interface - its hardware consists of a set of chips or cards and physical ports, and its software consists of a set of programs.
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