View source for Point-Of-Sale (POS) Terminals

{{Learning concept
|Description=Electronic cash registers used for computer-based processing of sales transactions. The POS terminal identifies each item of goods from its bar code and then automatically records the sale and updates the computer-based inventory records. These terminals permit the use of perpetual inventory systems in many businesses that sell a high volume of low-cost goods. 
|Wikipedia reference=http://en.wikipedia.org/wiki/Point-of-sale_terminal
}}