| Subject | English | Korean |
| comp., MS | bar code reader | 바코드 판독기 (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 | 바코드 스캐너 (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) |