| Abbreviation | Definition |
|---|---|
| NAQ | Normally Asked Questions |
| NAS | Network Access Server |
| NASSCOM | National Association of Software and Service Companies |
| NAU | Network Addressable Unit |
| NAV | Norton Anti Virus |
| NB | Non Blank |
| NBC | No Boot Choice |
| NBCRU | Nerd Box Crew |
| NBG | NASPE/ BPEG Generic Code |
| NBS | National Bureau of Standards |
| NBS | Numeric BackSpace |
| NBU | Newton Backup Utility |
| NC | Numeric Control |
| NCA | Natural Class Account |
| NCA | Network Computing Architecture |
| NCATS | Newaygo County Advanced Technology Service |
| NCCE | Native Computing And Communication Environment |
| NCCF | Network Communication Control Facility |
| NCCI | National Correct Coding Initiative |
| NCG | Nicely Colored Graphics |