Bar Code
(a). A bar code is a series of lines which differ in thickness and
space in between each other which contain data to provide certain
information on the product such as the Manufacturer, Product
Description, and the Size. The purpose of the bar code is to simplify
the amount of data which the staff needs to know and recognise by
memory as all of the data is stored of the company computer.
(b). Information that is contained in the bar code contains are the
unique ID number which is the code number.
(c). Information that is not contained in the bar code would be, in
most cases, the price as all different shops which stock the product
might need to charge different amounts. Also would be the
manufacturers name, the product description, and the size and in some
cases also the price as these would all be entered into the shops
computer by someone.
2.
(a). The barcode is entered into the computer/register by the scanner
shooting a beam of light 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
the...
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...d 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 make sure that all of the items have been entered correctly
and that no items had been left off the list. He also needs to verify
the stock levels.
7.
Stock on the shelves and in the 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 dependant on the machines and also
training would be needed.