| Subject | English | Polish |
| comp., MS | bar code | kod kreskowy (The special identification code printed as a set of vertical bars of differing widths on books, grocery products, and other merchandise. Used for rapid, error-free input in such facilities as libraries, hospitals, and grocery stores, bar codes represent binary information that can be read by an optical scanner. The coding can include numbers, letters, or a combination of the two; some codes include built-in error checking and can be read in either direction) |
| gen. | bar code | kod paskowy |
| comp., MS | bar code reader | czytnik kodu kreskowego (An optical device that uses a laser beam to read and interpret bar codes, such as the Universal Product Codes, found on grocery products and other retail items) |
| comp., MS | bar code scanner | skaner kodu kreskowego (An optical device that uses a laser beam to read and interpret bar codes, such as the Universal Product Codes, found on grocery products and other retail items) |
| comp., MS | policy bar code | zasady kodu kreskowego (An image that encodes a unique identifier for a Windows SharePoint Services object, where the value of the unique identifier can also be represented textually) |