Point of Sale is nothing but a place or location of Retail Shop or a Check-Out Counter at a Showroom or Shop, where the Sale Transaction takes place even for small quantity. There are various instruments like Cash Registers, Card Readers, and Barcode Scanners are used by the outlets.
This Point of Sale is a Computerized Cash Register. While billing the Sales Transaction at the POS it will adds the Commodities Rate, deducts Discounts, adds the State Sales Tax (VAT) on the value. As the bill is raised the Billing System will automatically adds the Money to the Cash Register and deducts the Billed Stock from the Inventory.