1. Commercial Data Processing EFTPOS

2. EFTPOS Electronic Funds Transfer at Point Of Sale. Electronic Funds Transfer at Point Of Sale. Unites EFT and POS systems. Unites EFT and POS systems. Used in most shops to purchase goods. Used in most shops to purchase goods.

3. Electronic Funds Transfer A way of paying for goods without using cash. A way of paying for goods without using cash. Funds transferred automatically from your bank account into the shop’s. Funds transferred automatically from your bank account into the shop’s. Uses a debit card e.g. Uses a debit card e.g. Switch or Delta.

4. Point of Sale Goods are paid for at a POS terminal (a till). POS terminals usually have : an input device e.g. a barcode scanner. an input device e.g. a barcode scanner. a backing store or a connection to a mainframe. a backing store or a connection to a mainframe.

5. EPOS each item in a shop has a barcode each item in a shop has a barcode prices displayed on shelves not items prices displayed on shelves not items barcodes read by scanner at till barcodes read by scanner at till product code sent to computer product code sent to computer computer returns name and price to till to be displayed computer returns name and price to till to be displayed till produces itemised receipt till produces itemised receipt computer updates stock files computer updates stock files

6. EFTPOS EFT system to pay for the goods: items are scanned at terminal and debit card is swiped items are scanned at terminal and debit card is swiped terminal checks card against file of stolen cards terminal checks card against file of stolen cards computer authorises transaction or contacts bank if required computer authorises transaction or contacts bank if required

7. Advantages of EFTPOS payment guaranteed by system payment guaranteed by system less paperwork less paperwork quicker than cheques quicker than cheques smaller queues smaller queues less cash in store less cash in store

8. Disadvantages of EFTPOS expensive to install expensive to install harder for customers to keep track of their spending harder for customers to keep track of their spending card fraud possible card fraud possible what if part or all of the what if part or all of the system fails?