1. 条码：
条形码为我们提供了以计算机可理解的格式存储数字的方法。这用于以 1D 或 2D 格式存储信息，可以扫描以进行数据检索。商店使用它来取消毛衣，以便在租车服务的情况下跟踪患者，以便在航空行李的情况下跟踪汽车的位置。
扫描到 GeeksforGeeks 的条形码
2.二维码：
二维码是一种以计算机可理解格式存储数据的方式，可以使用二维码扫描仪进行扫描以检索数据。这些现在广泛用于无现金和 UPI 支付服务。它们可用于身份识别，也可用于共享照片、视频和其他文件。
扫描到 www.geeksforgeeks.org 的二维码
条码和二维码的区别：
| S.No. | Barcode | QR code |
|---|---|---|
| 1. | It was developed in 1952. | It was developed in 1994. |
| 2. | It was developed by Norman Joseph Woodland. | It was developed by Masahiro Hara. |
| 3. | It is of 2 types, 1 dimensional and 2 dimensional. | It is only of 1 type. |
| 4. | It is a way of storing numbers in a printed and computer understandable format. | It is a type of 2D barcode or printed representation of data that can be scanned for data retrieval. |
| 5. | It is used at stores for tracking all purchased items, in hospitals for tracking the records of patients, in rental cars business and tracking of airline luggage, mails and nuclear waste. | It is used in supermarkets, hospitals, cinema or by individuals etc. for transfer of data (sharing contacts, photos, videos and other documents). |
| 6. | It is based on Morse Code technology. | It is based on Morse Code technology. |
| 7. | It requires line of sight. | It requires line of sight. |
| 8. | It has lesser data storage as compared to Fastag. | It has more data storage than the barcodes. |
| 9. | Only one barcode is examined at once. | Only one QR code is examined at once. |
| 10. | Only Reading is done using Barcode. | Only Reading is done using Barcode. |
| 11. | It is slower in processing as compared to Fastag. | It is slower in processing as compared to Fastag. |
| 12. | It stores information horizontally. | It stores information horizontally and vertically. |
| 13. | It is a vertical arrangement of parallel lines (according to the standard version). | It is an arrangement of square dots on square grids. |
| 14. | It stores less information than QR codes. | It stores more information than barcodes (it is used to store multimedia data). |