What is a Barcode?
A barcode is an optical, machine-readable, representation of data; the data usually describes something about the object that carries the barcode. A barcode is a series of alternating bars and spaces, typically printed on a label attached to an item, that a barcode scanner can read and convert into a string of characters.
Different Types of Barcodes
Barcodes come in a variety of shapes and sizes, and can be used to store a wide range of information. Here are a few of the most common types of barcodes:
- UPC-A: UPC-A (Universal Product Code version A) is the most common type of barcode used in the United States and Canada. It encodes 12 numeric digits, which can be used to identify a product.
- EAN-13: EAN-13 (European Article Numbering) is the most widely used barcode in Europe. It encodes 13 numeric digits, which can be used to identify a product.
- QR Code: QR (Quick Response) Codes are two-dimensional barcodes that can store a wide range of information, including URLs, contact information, and text. They are popular for marketing purposes.
- Data Matrix: Data Matrix codes are two-dimensional barcodes that can store a wide range of information, including URLs, contact information, and text. They are popular in industrial applications.
Barcodes in Action
Barcodes are everywhere. You can find them on products in grocery stores, on library books, on tickets, and even on people’s driver licenses. They are used to identify products, track shipments, and even help with security.
Conclusion
Barcodes are an essential part of modern life. They allow us to quickly and easily identify and track products, and provide a wide range of other useful functions. For more information, please see: