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barcode

From The Columbia Encyclopedia
computer coding system that uses a printed pattern of lines and bars to identify such things as products, mail and packages, and customer accounts; the term also is used for similar coding systems that do not use bar-based patterns. Barcodes are read by optically scanning the printed pattern and using a computer program to decode the pattern. In a linear barcode system, the code itself contains no information about the item to which it is assigned but represents a string of identifying numbers or letters. When the code is read by an optical scanner linked to a computerized or networked device, the device can provide and record information about the item, such as its price or the quantity sold, from and to databases. Americans Bernard Silver and Norman Woodland the first barcode system in the 1940s. The first standardized barcode adopted for general use was the linear Universal Product Code (UPC), chosen by North American supermarkets in 1973; it entered commerical use in 1974, but…
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Full text Article bar code

From Philip's Encyclopedia
Bar codes represent information concerning a...
(Universal Product Code) Coded information consisting of thick and thin lines, and designed for computer recognition. At checkouts, a laser beam scans the bar code and a light-sensitive detector picks up the reflected signal, which consists of a pattern of pulses. The store's computer translates…
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Full text Article Bar code

From BCS Glossary of Computing and ICT
An example of a QR code and a...
including: QR codes, quick response codes, tags is a pattern of parallel lines of different thickness used to represent a code number, which can then be read automatically. It is a very cost-effective way of inputting data into a computer. For example, the article number printed on the back cover of…
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Bar codes are so common that we might not even really notice them anymore on products we buy. They represent the decimal price and other details (referred to as the Universal Product Code, or UPC) about an item in a series of parallel vertical lines and white spaces. Bar codes can also help us track…
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Full text Article bar code

From The Hutchinson Unabridged Encyclopedia with Atlas and Weather Guide
Pattern of bars and spaces that can be optically read by a computer to provide data. Bar codes are widely used in retailing, industrial distribution, and libraries. Typically in retail, a product has a bar code attached to it; at checkout, the code is read by a scanning device. The computer…
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Full text Article bar code

From The New Penguin Business Dictionary
The recording of data in a form that can be read instantly, usually by a laser. Most commonly used on food products in stores where they appear as a series of black lines like a bar, hence the name. It is a coding system that is much in use in…
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Full text Article bar code

From The Hutchinson Unabridged Encyclopedia with Atlas and Weather Guide
bar code
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Full text Article bar code

From Britannica Concise Encyclopedia
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Full text Article bar code

From The Thames & Hudson Dictionary of Graphic Design and Designers
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Full text Article bar code

From Collins Dictionary of Business
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Full text Article bar code

From Dictionary of Leisure, Travel and Tourism
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