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Details
A barcode is an optical machine-readable representation of data. Originally, barcodes represented data in the widths (lines) and the spacings of parallel lines, and may be referred to as linear or 1D (1 dimensional) barcodes or symbologies. They also come in patterns of squares, dots, hexagons and other geometric patterns within images termed 2D (2 dimensional) matrix codes or symbologies. Although 2D systems use symbols other than bars, they are generally referred to as barcodes as well. Barcodes can be read by optical scanners called barcode readers, or scanned from an image by special software. The first use of barcodes was to label railroad cars, but they were not commercially successful until they were used to automate supermarket checkout systems, a task in which they have become almost universal. Their use has spread to many other roles as well, tasks that are generically referred to as Auto ID Data Capture (AIDC). Other systems are attempting to make inroads in the AIDC market, but the simplicity, universality and low cost of barcodes has limited the role of these other systems.
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GarantieWeitere Informationen
- Allgemeine Informationen
- GTIN 09786130228934
- Editor Frederic P. Miller, Agnes F. Vandome, John McBrewster
- Sprache Englisch
- Größe H223mm x B154mm x T7mm
- Jahr 2009
- EAN 9786130228934
- Format Fachbuch
- ISBN 978-613-0-22893-4
- Titel Barcode
- Untertitel Machine-readable medium, Image scanner, Barcode reader, Point of sale, Automatic identification and data capture, Universal Product Code, Barcode printer, BCBP, European Article Number
- Gewicht 138g
- Herausgeber Alphascript Publishing
- Anzahl Seiten 80
- Genre Informatik
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