... which will interpret the barcode. Once this has been recognised as a valid product the information relating to that barcode will be received from the main computer and the relative information will be displayed/. (b). If the barcode cannot be scanned then the person at the till would enter the barcode in manually with the set of numbers which are linked with the barcode into the computer to mark the item as paid. (c). Fresh fruit, vegetables and items from the delicatessen counter are dealt by either the customer weighing and putting a unique barcode on the bag themselves or by the person at the till weighing them and then manually entering the amount to pay into the register to add onto the final bill. (d). The chip and pin process is used by a person inserting their card and putting in their pin code instead of signing the bill using their signature. ...

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