National Center for Supercomputing Applications national characters National Database Language National Information Infrastructure National Information Services and Systems National Institute of Standards and Technology National Research and Education Network National Science Foundation National Science Foundation Network National Software Reuse Directory National Spatial Data Infrastructure National Television Standards Committee native compiler Native Language System NATURAL
| natural deduction Natural English natural language Natural Language Information Analysis Method natural language processing natural number nature NAU navigating Navigator Nawk NB NBFCP NBS NBT
| NC nc NCD NCP NCR Corporation NCR Language NCRL NCS NCSA ND NDIS NDL NDS ne neat hack
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