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What should be the structure of Code 128 Set B? Code 128 Set B barcodes are linear barcodes that encode alphanumeric data. The structure of a Code 128 Set B barcode is explained in full below: •A start code consisting of three bars and three spaces appears at the beginning of every Code 128 Set B barcode. •Primary component of the barcode is the data code, which holds the information that has to be encoded. It is made up of a sequence of spaces and bars that stand in for different codes for every character. The amount of data being encoded can affect how long the data code is.•Purpose of the check digit, which is a mathematical computation based on the data code, is to guarantee that the barcode is scanned accurately. The data code is completed with a single bar and one space, which is the check digit. •Stop code, which is the last character in the barcode, informs the scanner that the barcode has ended. The barcode is followed by a quiet zone, which is a blank area that divides it from any further text or images on the label. How does Code 128 Set B barcode work? •The data code uses a distinct pattern of bars and spaces to represent each character. 128 Code A restricted range of special characters, including space, dash, period, and slash, can be encoded with a Set B barcode in addition to uppercase letters and numbers. •A Code 128 Set B barcode has varying lengths for its bars and spaces; the narrowest bar measures one unit in width, while the biggest bar measures four units. Three unit’s broad is the widest space, and one unit wide is the narrowest. A barcode scanner can read the pattern made up of various width bars and gaps. •A Code 128 Set B barcode is composed of four parts: a start code, data code, check digit, and stop code. Every character that is being encoded has a different arrangement of bars and spaces in the data code.