The frontline accounting for groceries and supermarkets during transactions for goods or products has been made easier with a simple system of stickers and codes and gadgets that track these. The stickers are put on any kind of merchandise so that it is itemized and could be read by portable gadgets. These register the units being taken out or bought by any customer on the counter.
The counters could be one or many, according to the size of the physical store. And they will have personnel specifically assigned to use barcoding supplies to make life easier in commercial transactions. These are tasked to stick on these supplies and to print out their product code, pricing and other details with a code.
This is called the barcode, a simply system that is too small for the human eye but is easily seen in a monitoring grid. This grid, easily identifies any kind of item and its details simply by registering the unique heights of a set of black bars on the sticker. This provides cashiers to use gadgets that instantly provide prices to ring up on their registers.
There are several systems that are in use, and these could all be integrated into, say, the supermarket checkout counter process. The preparation is extensive on the part of those using the supplies, because they have to put on the stickers with the codes on them on every item. Some might be put on goods so they can be displayed and the like.
Some products could have their codes stuck on only after they have been weighed. This is relevant to the more important food items on supermarkets. Usually these may be things that are eaten or ingredients to for entrees and other dishes. These are perishable and their prices vary according to weight and how they are bought per pound or kilo on features markets.
Thus the coding system allows for static price displays as well ones that vary from day to day. The accounting process is smoothed out, made more efficient and faster by the stickers. Other support items that are part of the barcode supply will be automatic printers, which could specially put on RFID or laser readable items when printing.
There are chemicals on inks used to print out codes which are automatically read by monitoring machines. These could be infrared or radio based, but provide such low wattage use that supermarkets could use many of these without fear of upping their utility bills significantly. High tech in this sense does not necessarily mean more expense.
The basics are things that include rolls of paper which have adhesive backing for use in coded stickers. The printers used for these are small, and could roll out an entire roll which could mean thousands of stickers could be produced from one roll and printed by a single small printer. The reading gadgets are wielded by cashiers or checkout counter assistants.
Again, these supplies are remarkably cheap for things that have become indispensable for commercial transactions. Today, more tech innovations will make this process even more efficient. These are based on digital and internet technologies but the stick ons will most often be used on physical products in stores.