Since the 1970s, bar codes have provided a reliable, inexpensive form of machine-readable identification. Although bar coding has numerous benefits, its primary function is to error-proof the ...

Some technologies you use every day, but without thinking about them. The bar code is one of these: everything you buy has one of these black and white striped codes on it. We've all seen how they are ...

If you plan to run a very small store, sometimes called a "mom and pop" shop, you can probably hand-enter pricing information when ringing up a customer's order. For a larger scale operation, however, ...