There is an illustration to aid the explanation. Each bar and its position mean a digit from 0 to one. The characters of a barcodeĬan a barcode be white can be understood in this section? The black bars on a white space aren’t arbitrary. This is what each bar in a barcode means. A barcode containing a 16-digit number will be longer than one that has a 10-digit number. A barcode is a series of bars on white space that represent a binary code.īarcodes vary in length as well. So to make the computer read and store information on a product, we had to interpret this data into something scannable. This is the language of computers and this is what computer memory is made of. What’s a Barcode and How to read it?Įverything that you see on the computer is in the form of 0s and 1s. But it’ll take a lot of time and you are better off with a scanner. You can learn to read a barcode without a scanner. It turns out that barcodes are like letters with bar sequences denoting a number from 0 to 9. To understand whether a barcode can be white or any other color, it is imperative to understand how a barcode works. This article will dive into some topics such as chromatic barcode, can a barcode be white, and what happens when a scanner scans a barcode. But why is it always black bars on a white background? Can a barcode be white? Or can it be of different colors, any color we want? There is a lot that goes behind that zebra-pattern on the products. On almost every packed product, you can see a series of black bars of varying breadth on a white background. If you haven’t been living under a rock, you must have visited a 7/11 or any general store.
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