A barcode consists of five main parts: a still area, a start character, a data character containing an optional verification characterand a stop character, and a second still area, where two-dimensional symbols called "matrix codes" appear and they will The required information is stored on each vertical and horizontal axis, such as shapes such as dots and rectangles, and can be read using mobile phones or barcode scanners, the most famous of which is the QR code, which differentiates itself by the increased amount of data storage that makes it possible to store Over 7000 individual characters.
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