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EIDX Collection of Acronyms and Abbreviations

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NOTE: (n.a.) = Not an Acronym; (obs) = Obsolete

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Acronyms and Abbreviations - See also Glossary - N

This letter last updated 17 December 2002

n.a. Not an Acronym
n.b. Note well (from Latin "nota bene")
N/A Not Applicable
N/A Not Available
N/R Not Recommended
NA Narcotics Anonymous
NA Network Architecture
NA North America
NA see n.a.
NA see N/A
NAACP National Association for the Advancement of Colored People
NAAFA National Association to Advance Fat Acceptance
NAAFI Navy, Army and Air Force Institutes (Brit. orig. of "naff", meaning "tacky")
NAB National Association of Broadcasters
NAB Not A Bug
NACHA National Automated Clearing House Association
NAD Network Access Device
NAE National Academy of Engineering
NAEB (obs.) North American EDIFACT Board, now PAEB
NAFB Nat A Fixable Bug
NAFTA North American Free Trade Agreement
NAMA (obs.) National Account Management Association, now SAMA
NAMS Network Analysis and Management System
NAND Negative AND Gate
NAS Network Attached Storage
NASA National Aeronautics and Space Administration
NASD National Association of Securities Dealers
NASDAQ National Association of Securities Dealers Automatic Quotations
NATO North Atlantic Treaty Organization
NAVICP U.S. Navy's Inventory Control Point
NB No Bloody Good (British Army Slang)
NB See n.b.
NBA National Basketball Association
NBC National Broadcasting System
NBMBAA National Black MBA Association
NBS (obs) National Bureau of Standards, now NIST
NBTA National Business Travel Association
NCD No Can Do (Army slang)
NCGA National Computer Graphics Association
NCLS Non-Commented Logical Statements
NCO Non-Commissioned Officer
NCR National Cash Register Co. (their first product)
NCSA (obs) National Computer Security Association, now ICSA
NCSA National Center for Super-computing Applications, U. of Illinois, www.ncsa.uiuc.edu
NCSC National Computer Security Center, was part of NSA
NCSC National Computer Security Conference, 10th annual in 1987
NCSS Non-Commented Source Statements
NCUA National Credit Union Administration
NCUSIF National Credit Union Share Insurance Fund
NDA Non Disclosure Agreement
NDC National Dispatch Center, Inc., Starlink service
NDPS NetWare Distributed Print Service
NDR Network Data Representation, part of NIDL
NDRO Non-Destructive ReadOut
NDRP No Date-Related Processing; NDRP products are considered Y2K compliant by default
NDS NetWare Directory Services
NEAT Near-Earth Asteroid Tracking, NASA
NEC National Electrical Code
NEC Not Even Close
NECCO New England Confectionary Company  (yes, NECCO wafers!)
NEDA National Electronics Distributors Association
NEM Network Equipment Manufacturer
NEMA National Electrical Manufacturer's Association
NEMKO Norges Elektriske Materiallkontroll, Norway
NEMI National Electronics Manufacturing Initiative
NEO NATO Eyes Only, security classification
NEO Near-Earth Object, tracked by NEAT
NEO Non-combatant Evacuation Operation/Order
net NETwork (.net  in an URL indicates a web site provided by a network service)
NETMA No one ever tells me anything
NeWS Network Window System, from Sun Microsystems
NF Neutral File
NF Normal Form
NFI Not For Inventory
NFL National Football League
NFPA National Fire Protection Association
NFS Networked File System, from Sun
NFSA National Fertilizer Solutions Association
NCGA Northern California Golf Association
NGP Next Generation Product
NGS Next-Generation Systems
NH Nighthawk
NHK Japanese state-owned broadcasting company
NHK Nighthawk
NHL National Hockey League
NHS National Health Service (Brit.)
NIC Network Information Center, a/k/a InterNIC, assigns internet network numbers
NIDL Network Interface Definition Language, internet program interface
NIH Not Invented Here, Not In-House, foreign, therefore "bad"
NII National Information Infrastructure
NIIT National Information Infrastructure Testbed
NIMBY Not In My Back Yard (re: homeless shelters, chemical plants, etc.)
NIMH National Institute of Mental Health
NINO Nothing In, Nothing Out
NISO National Information Standards Organization
NIST National Institute of Standards and Technology, was NBS, www.nist.gov
NL National League (baseball)
NLN Navy Logistics Network
NLRB National Labor Relations Board
NLS Native Language Support, software support for various languages
NLS Natural Language Support
NLS Network License Server, uses NCK
NMAS Network MAnagement System
NMI Non-Maskable Interrupt
NMOS Negative Channel MOS Circuits
NMR Non-conforming Material Report
NNN Nearest Neighbor Notification, FDDI
NNTP Network NTP
NOAA National Oceanographic and Atmospheric Association, was NWS
NOF Notification of Failure
NOQ Normal Order Quantity
NOR Negative OR Gate
NOR Notice of Return
NORAD North American Radar Air Defense
NORC National Opinion Research Center
NOS Network Operating System (for PCs)
NOW National Organization for Women
NP Nurse Practitioner
NPA Numbering Plan Area
NPI New Product Introduction
NPR National Public Radio
NPV Net Present Value
NR Not Recommended
NRA National Recovery Administration
NRA National Rifle Association
NRC Noise Reduction Coefficient
NRC Nuclear Regulatory Commission
NRDC Natural Resources Defense Council
NRE Non-Recurring Engineering
NRI Corporation for National Research Initiatives, started by NSF, 1985
NRL National Research Labs
NRN No Reply Necessary
NRO Non-Repudiation of Origin
NRR Non-Repudiation of Receipt
NRZ Non-Return to Zero
NRZI Non-Return to Zero Inverted
NS Network Services
NSA National Security Agency, part of US government
NSA No Such Agency (NSA's nickname for themselves)
NSAID Non-Steriodal Anti-Inflamatory Drug
NSB National Savings Bank (Brit.)
NSBE National Society of Black Engineers
NSC National Security Committee
NSC National Semiconductor Corporation
NSF National Sanitation Foundation
NSF National Science Foundation
NSFNET NSF NETwork
NSHMBA National Society Hispanic MBA
NSI NASA Science Internet
NSN NASA Science Network
NSP National Stuttering Project
NSP Network Service Provider
NSP Network Services Protocol
NSPCC National Society for the Prevention of Cruelty to Children (Brit.)
NSTC National Science and Technology Council
NSTL National Software Testing Laboratory
NSU Network-Synchronization Unit
NT Network Technology
NT New Technology
NT New Testament (c.f. OT)
NT Northern Telecom
NT Not Tested
NTCB Network TCB
NTE Not To Exceed (as in an RFQ or terms of a contract)
NTF No Trouble Found
NTFS Windows NT File System
NTN National Terminal Number, part of X.25 address
NTP Network Time Protocol, RFC 1059
NTSB National Transportation Safety Board
NTSC National Television Standards Committee (color standards)
NTT Nippon Telegraph and Telephone
NTU National Technical University, tele-courses
NuBus MacIntosh-II internal bus
NUDNIK (n.a.) "A nudnik is not just a nuisance, it is a persistent, talkative, obnoxious nag - a monumental bore." (The Joys of Yiddish, by Leo Rosten)
NUL National Urban League
NUMA Non-Uniform Memory Access
NVM Non Volatile Memory
NVRAM Non-Volatile RAM, usually battery-backed
NW New Wave
NWC Naval Weapons Center, China Lake, USN
NWPC National Women's Political Caucus
NWS (obs) National Weather Service, now NOAA
NYNEX New York New England eXchange
NYSE New York Stock Exchange