"A",
"B",
"C",
"D",
"E",
"F",
"G",
"H",
"I",
"J",
"K",
"L",
"M",
"N",
"O",
"P",
"Q",
"R",
"S",
"T",
"U",
"V",
"W",
"X",
"Y",
"Z"
Previous set of "N" Abbreviations and Acronyms
| NIC | - | network interface card |
| NiCad | - | Nickel Cadmium [rechargable battery] |
| NICS | - | NATO Integrated Communications System |
| NID | - | network interface device |
| NID | - | network information database, network inward dialing |
| NII | - | National Information Infrastructure |
| NIOD | - | network inward/outward dialing |
| NIST | - | National Institute of Standards and Technology [NBS] |
| NIU | - | network interface unit |
| nm | - | nanometer |
| NMCS | - | National Military Command System |
| nmi | - | nautical mile |
| NMOS | - | N-channel Metal Oxide Semiconductor |
| NO | - | Normally Open [Switch Manufacturers] |
| NoBL | - | no bus latency [ZBT SRAM] |
| NoC | - | Network-on-Chip [SoC Buses] |
| NOD | - | network outward dialing |
| NPA | - | numbering plan area |
| NPN | - | Negative Positive Negative [BJT] |
| NPR | - | noise power ratio |
| NRI | - | net radio interface |
| NRM | - | network resource manager |
| NRTL | - | Nationally Recognized Testing Laboratory |
| NRZ | - | non-return-to-zero [NRZ Definition] |
| NRZI | - | non-return-to-zero inverted |
| NRZ-M | - | non-return-to-zero mark |
| NRZ-S | - | non-return-to-zero space |
| NRZ1 | - | non-return-to-zero, change on ones |
| NRZ-1 | - | non-return-to-zero mark |
| ns | - | nanosecond, 10-9 seconds |
| NSA | - | National Security Agency |
| NSTAC | - | National Security Telecommunications Advisory Committee |
| NSMD | - | Non-Solder Mask Defined |
| NSN | - | National Stock Number |
| NTC | - | Negative Temperature Coefficient |
| NTCN | - | National Telecommunications Coordinating Network |
| NTDS | - | Naval Tactical Data System [Interface Bus] |
| NTMS | - | National Telecommunications Management Structure |
| NT1 | - | Network termination 1 |
| NTI | - | network terminating interface |
| NTIA | - | National Telecommunications and Information Administration |
| NTN | - | network terminal number |
| NTSC | - | National Television Standards Committee |
| NUL | - | null character, [ASCII Codes] |
| NVIS | - | near vertical incidence skywave |
| NVM | - | Non-Volatile Memory [PROM IC Manufacturers] |
Next set of "O" Abbreviations and Acronyms
