FASCINATION ABOUT BARCODE SCANNING

What exactly is a 1D or linear barcode? What is a 2D barcode? A 1D or linear barcode is a combination of vertical bars. For many of them you'll be able to encode only numbers for other you are able to encode letters also. Most of barcode scanners can examine them scanning just a line. 2nd barcode encodes data in two Proportions and for that reason