October 2013

UPC-A and UPC-E. Purpose, Advantages, Limitations and Usage.

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read the first part here Purpose It is one of the oldest and most widely used barcodes. The purpose of developing UPC was to develop such a shopping or buying system where salesperson does not have to manually enter the information of a product in the database. This saves time and minimizes human error unlike

UPC-A and UPC-E. History.

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UPC-A and UPC-E UPC stands for Universal Product Code. It is type of linear barcodes and mostly widely used for retail applications.There are two variations of UPC• UPC-A• UPC-E UPC-A UPC-A is a variation of UPC and uses 12 digits for information encoding. Out of these 12 digits, 11 digits contain the product information while

September 2013

Code 39 – Limitations and Usage

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read the first part here Limitations • It is not suitable for items which require large amount of information to be encoded. In that case, length of the code 39 barcode becomes too large which is not appropriate for encoding as well as decoding.• Code 39 barcode can be easily damaged and distorted like any

Code 39 – History, Purposes and Advantages

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Code 39 Code 39 is one of the most widely and commonly used barcode type. It is a linear or 1d barcode and is also known as USS code 39, code 3 of 9, Alpha 39, USD-3, and Type 39. Code 39 is capable of encoding all the alphanumeric characters (26 Alphabets and 10 numeric

Code 128 Barcodes: History, Purpose, Advantages, Limitations, Applications

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Code 128 Code 128 is another linear barcode which is widely used in industry and stores. Code 128 is denser than the other linear barcode type i-e code 39. Code 128 can encode all the upper and lower case alphabets and all the numeric characters from 0-9 and all the 128 ASCII character. The higher