About barcodes A barcode is an optical, machine-readable, representation of data; the data usually describes something about the object that carries the barcode. Originally barcodes systematically represented data by varying the widths and spacings of parallel lines, and may be referred to as linear or one-dimensional (1D). Later two-dimensional (2D) codes were developed, using rectangles, dots, hexagons and other geometric patterns in two dimensions, usually called barcodes although they do not use bars as such. Barcodes originally were scanned by special optical scanners called barcode readers. Later applications software became available for devices that could read images, such as smartphones with cameras. Barcode benefits • Fast-selling items can be identified quickly and automatically reordered.
• Slow-selling items can be identified, preventing inventory build-up. • The effects of merchandising changes can be monitored, allowing fast-moving, more profitable items to occupy the best space. • Historical data can be used to predict seasonal fluctuations very accurately. • Items may be repriced on the shelf to reflect both sale prices and price increases. • This technology also enables the profiling of individual consumers, typically through a voluntary registration of discount cards.
Itil Process Map V3 For Ms Visio Download. While pitched as a benefit to the consumer, this practice is considered to be potentially dangerous by privacy advocates.
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