The barcodes are the images in square or rectangular which is consisting of a series of parallel black lines and white spaces of various widths which is able to read by a scanner. They are attached to many retail stores goods and identification cards in order to identify the particular product number, person or location. It is an efficient symbol which contains different parts which are quiet zone, start and data character along with a stop character and another quiet zone.
Types of Barcodes: Generally the barcodes are of two types:
- 1D ( I Dimensional)
- 2D ( 2 Dimensional)
1D (I Dimensional): A series of lines has been used in these barcodes in order to store text information like product type, size and color etc. we can see them at the top of the universal products codes (UPCs) which are being used in product packaging in order to help the packages through the US postal service along with ISBN numbers on the back of the books.
Types of 1D:
- UPC Code: These barcodes are being used in order to label and scan consumer goods at points of sale across the world. This UPC- A variation encodes 12 numerical digits while on the other hand, UPC – E is quite smaller variation that encodes only 6 numerical digits.
- EAN Code: This can be used in order to label the consumer goods across the world for point of scale scanning and they look quite similar to the UPC codes but the main distinction is their geographical application as EAN – 13 is comprising 13 digits while EAN – 8 covers only 8 digits.
- CODE 39: These barcodes are being used in order to label the goods in many industries and can be found in the automotive industry. It can be used in both digits and characters and it could only encode 390 characters.
- CODE 128: These barcodes are compact and of high density which can be used in logistics and transportation industries in order to order and distribution.
2D (2 Dimensional): These barcodes are complex and possess more information than texts such as price, quantity and images etc. These barcodes cannot be read by scanners but smart phones and other image scanners will read it.
- QR Code: These are the 2D matrix code along with an efficient consumer focus. It can be used in tracking and marketing like advertisements, magazines and business cards. They are free to use and flexible in size.
- Data Matrix Code: These codes can be used in order to label small items, goods and documents. They are the tiny footprints due to which they are ideal for small products in logistics and operations.
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