| Subject | English | Polish |
| 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) |