THE PROBLEM AND A REVIEW OF RELATED LITERATURE
1. INTRODUCTION
Early studies wishing to be able to automate the checkout process of food sales of a company or store. One of their ideas was to use Morse code printed out and extended vertically, producing narrow and wide bars. Later, they switched to using a “bulls-eye” type barcode.
Barcodes (and other machine readable tags like RFID) are used wherever physical objects need to be tagged with information that is to be processed by computers. Instead of painstakingly typing long strings of data into a terminal, the operator only has to display the code to a barcode reader. It also allows for processing without the help of human operators in fully automated environments. (Kendall, 2002).
The amount of data contained in a barcode varies with the application. In the simplest case only an identification number is provided which is used to index into a central database where the complete information is kept.
There can be no doubt that the world is advancing at a rapid pace, especially when it concerns technology. Today, with the emergence of innovations and breakthroughs, change is really inevitable. It is the wave that transforms our world into the future. Computers are one of the greatest advancement that brought information technology to reality and it is the major component in innovating the world. We all know that through these devices, we can create unimaginative things and top of the line technologies covering communication, transportation, education, governance, business and even recreation. It establishes ergonomic conditions and ease conventional hassles. (Ting, 2000).
As of now more store or company has using the barcode scanning through their products. Barcode scanning it eliminates error during transaction through barcode scanning and available price look-up of every offered item or product.
Some stores are not using barcodes scanning because some of them