![]() Later "2D" or two dimensional codes were developed, using rectangles, dots, hexagons and other geometric patterns in two dimensions which allowed for larger amounts of data/information to be represented in a much smaller area.īarcodes are printed on a majority of the labels and decals that ALG supplies to our customers. These were denoted as a "1D" or one dimensional barcodes as they were read by the scanner in a one direction, linear process. Originally, barcodes represented data by varying the width and spacing of parallel lines. The data usually describes something about the object that carries the barcode. ![]() It is an optical, machine-readable, representation of data/information. ![]() A barcode is a system of symbols which identifies data through length, position, size or thickness of lines or symbols.
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