Supermarkets

== Supermarkets ﻿  ==
 * On every product in a super market there has to be a barcode. The barcode contains important information aout the product but not its price.
 * Stock control
 * EPOS : electronic point of sale, Electronic point of sale allows you to pay with your debit/credit card instead of cash.[[image:http://www.berkeleyside.com/wp-content/uploads/2010/05/credit-cards.jpg width="178" height="157" align="right"]]
 * When the money is taken form the bank account and paid to the supermarkets account its called **//EFTPOS//**


 * Steps:
 * 1) The card is swiped through the magnetic reader on the till
 * 2) Card is checked for validity (not reported stolen, expired)Approval is sent to bank
 * 3) Pin is put
 * 4) Account is chehcked for enough money
 * 5) Money is transferred from account in the bank to account in the supermarket.


 * Also you may find loyalty cards in large supermarkets[[image:http://www.teach-ict.com/gcse/theory/supermarkets/miniweb/images/loyaltycard.jpg width="173" height="155" align="right" caption="loyalty cards"]]
 * When you apply for a loyalty card you put details like your name and address.
 * It contains the customer membership number.
 * It provides a discount

Advantages of using IT in supermarkets:
 * Less human error
 * Cash is rarely used, less likely for theft
 * Price of a n item can be altered easily
 * Easy to analyse sales