| Subject | English | Norwegian Bokmål |
| comp., MS | bad sector | skadet sektor (A disk sector that cannot be used for data storage, usually because of media damage or imperfections. Finding, marking, and avoiding bad sectors on a disk is one of the many tasks performed by a computer's operating system. A disk-formatting utility can also find and mark the bad sectors on a disk) |
| comp., MS | boot sector | oppstartssektor (A critical disk structure for starting your computer, located at sector 1 of each volume or floppy disk. It contains executable code and data that is required by the code, including information used by the file system to access the volume. The boot sector is created when your format the volume) |
| environ. | economic sector A part of a country's or region's commercial, industrial and financial activity, delimited either by public, corporate and private organization of expenditures or by agriculture, manufacturing and service product types | økonomisk sektor |
| gen. | health sector | helsevesen |
| comp., MS | partition boot sector | oppstartssektor for partisjon (A portion of a hard disk partition that contains information about the disk's file system and a short machine language program that loads the Windows operating system) |
| environ. | primary sector That part of a country's or region's economy that makes direct use of natural resources, including agriculture, forestry, fishing and the fuel, metal and mining industries | primærnæring |
| environ. | private sector Segment of the economy not run by government, including households, sole traders, partnerships and companies | privat sektor |
| environ. | public sector Segment of the economy run to some degree by government, including national and local governments, government-owned firms and quasi-autonomous non-government organizations | offentlig sektor |
| environ. | secondary sector The part of a country or region's economy that produces commodities without much direct use of natural resources | sekundærnæring |
| comp., MS | sector-based imaging | sektorbasert avbildning (When creating a Windows image, the process of capturing every non-blank sector into a physical file. This is not the process used by ImageX) |
| math. | sector chart | sirkulær diagram |
| math. | sector chart | sektordiagram |
| math. | sector chart | rundskrivet diagram |
| light. | sector light | sektorlys |
| cables | sector-shaped conductor | leder med sektorprofil |
| environ. | tertiary sector The part of a country or region's economy that produces services or assets lacking a tangible and storable form | tertiærnæring |