Bar Codes Case Essay

1.(a). A impede inscribe is a series of lines which take issue in thickness and space in between each other which incorporate entropy to provide certain training on the product much(prenominal) as the Manufacturer, Product Description, and the Size. The purpose of the pub write in reckon is to simplify the nitty-gritty of data which the staff accepts to know and recognise by memory as wholly of the data is stored of the comp both computing device.(b). Information that is contained in the bar code contains be the unparalleled ID function which is the code number.(c). Information that is not contained in the bar code would be, in close cases, the price as all divers(prenominal) shops which blood the product might pauperisation to charge different amounts. Also would be the manufacturers name, the product description, and the size and in rough cases to a fault the price as these would all be entered into the shops computing machine by someone.2.(a). The barcode is entered into the information processing system/register by the scanner wound a beam of light which go forth interpret the barcode. Once this has been recognised as a valid product the data relating to that barcode leave be received from the briny computer and the relative information leave behind be displayed/.(b). If the barcode cannot be scanned then the mortal 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 fact as paid.(c). Fresh fruit, ve stir upables and heads from the delicatessen tax return are dealt by either the node weighing and putting a unique barcode on the bag themselves or by the soulfulness at the till weighing them and then manually entering the amount to pay into the register to add onto the lowest bill.(d). The chip and dusk process is apply by a person inserting their taunt and putting in their pin code instead of signing the bill utilize their pinch. When they have put in their pin code and pressed enter the computer go away verify that the code that the person has entered is the same as the card code and if it is the transaction would of succeeded but it they got it wrong they will either have to do their signature or they will have to screen that their card is theirs or they could be aerated with fraud.(e). After the payment has been made the supermarket computer will add all of the incidents bought to their place tendency so that the bulk enounce is read to put in at a time they have reached their minimum line of reasoning level.(f). Incentives that mend guests could have would be the method of a club card or verity/reward card which can be used to either get specie off the final payment or development points towards an item for money off. They could also give let out initiate vouchers to get either computer or PE equipment.4.(a). Advantages to the customer of utilize the computers in the supermarket is that there will be less chance of any errors, and also there will be more information about the item and a faster service.(b). Disadvantages to the customer of using computers is that the computer may not be operative due to technical problems and may give the wrong information or it may not be working at all.5.The list that would be stipulation to a student for his after school job would be on a handheld device so that he would walk round and retrieve out what needs to be re- entrepoted. This would be soaked from the main computer list of what is /is not on the shelves.6.(a). The manager can find out what stock needs to be re-ordered by checking what has been bought since the last time he checked and what ever has been bought then it would need to be re-ordered.(b). The human would check the re-order list before the order is placed to obtain sure that all of the items have been entered decently and that no items had been left off the list. He also needs to verify the stock levels.7.St ock on the shelves and in the storage warehouse might not match the stock file on the computer if stock had somehow been made unusable such as being damaged or if the product has expired or if the item has been stolen.8.(a).Advantages to the supermarkets of using computers are that they will not lose any money by making human calculated errors,(b). disadvantages to the supermarket of using computers is that the supermarket will be totally hooked on the machines and also training would be needed.