| Subject | English | Norwegian Bokmål |
| comp., MS | Exchange Fast Access | Rask tilgang til Exchange (A feature that enables Exchange users to see new email messages and up-to-date calendar items as soon as they open Outlook, without waiting for it to finish synchronizing) |
| comp., MS | fail fast exception | FailFast-unntak (An exception that cannot be caught by any exception handler and that immediately causes the application to terminate and launch error reporting) |
| comp., MS | fast card | hurtigkort (An NFC-enabled card (like a credit card) that users can use for payments or other transactions even when the phone is locked) |
| comp., MS | fast forward | spole fremover (To advance audio or video playback at a speed that is faster than normal) |
| math. | fast Fourier transform | rask Fourier transform |
| comp., MS | Fast Fusion | Rask fusion (One of the music genres that appears under Genre classification in Windows Media Player library. Based on ID3 standard tagging format for MP3 audio files. Winamp genre ID 84) |
| environ. | fast reactor Nuclear reactor which produces more fissile material than it consumes, using fast-moving neutrons and making plutonium-239 from uranium-238, thereby increasing the reactor's efficiency | hurtigreaktor |
| comp., MS | fast startup | rask oppstart (A method of starting the computer that speeds boot time by ending the user session and hibernating the computer, rather than shutting down all running services) |
| environ. | fast traffic No definition needed | hurtig trafikk |
| gen. | fast train | hurtigtog |
| comp., MS | Fast User Switching | Raskt brukerbytte (A feature in Windows that allows you to switch to a different computer user account without closing programs and files first) |
