information : computers in supermarket

INFORMATION : COMPUTERS IN SUPERMARKET

Class: Year 8 ‘A’Date : 9th February 2009

Lesson Contents:

Popularity of computers Running a supermarket using a

computers The journey of a product in a

modern supermarket About barcodes Barcodes at the POS Advantages and Disadvantages

of using computers in supermarket

The Increasing Popularity of Computers

Computers are popular because they perform tasks efficiently

Example, use computers to collect bus fares instead of bus conductors

Running a supermarket a traditional way

Running a supermarket using a computers

The Journey of a Product in a Modern Supermarket

POINT-OF-SALE (POS)

Point-of-Sale (POS) Terminal Special-purpose computer Located at cashier’s counter

Have you seen one???

POINT-OF-SALE (POS)

How does POS system works?

POS DEMO

Video 1 & 2

The Journey of a Product in a Modern Supermarket

About Barcodes

Each product as an identifying code number

Bar codes Tag an identifying code number to each

product Sets of black lines and white spaces Printed on packaging or labels

About Barcodes

European Article Number (EAN) Popular barcode standard EAN-13 has 13 digits EAN-8 has 8 digits

Used for small items

About Barcodes

About Barcodes

Direction of scanning does not matter

About Barcodes

Barcodes at the POS

Barcodes at the POS

Other notes on POS Electronic balances are used to price items

sold by weight The balances are linked to the branch

computer Printer can print other information on top of

the items bought on the receipt Name of supermarket Date Amount Payment mode

Barcodes scanner

Video

Just-In-Time (JIT) stock control Saves warehouse costs because

businesses only stock up goods when needed

Disadvantages Stock may run out if delay in delivery Demands can change quickly JIT computer system is expensive

Advantages of Using Computers in a Supermarket

Advantages of Using Computers in a Supermarket

THE END…..

Q & A