NC

NC may refer to:

Places

• North Carolina
• New Caledonia
• Northern Cyprus

Computing and internet

• NCsoft, a producer of MMORPGs such as Lineage
• nc, command name for Netcat a computer network utility
• Neglected Mario Characters, a webcomic on a Nintendo fansite
• Network computer, a diskless desktop computer in the late 1990s
• Norton Commander, an orthodox file manager program
• The Nostalgia Critic, a critic of movies and shows, mostly of the 80's and 90's

Transport

• Northern Air Cargo, An American cargo airline IATA designator
• National Jet Systems, Australian charter airline IATA designator
• Curtiss NC, American flying boat nicknamed the "Nancy boat"
• NC-4, the first aircraft to cross the atlantic (with multiple stops)
• NC, the beginning of registries for American civil aircraft
• NC, an international maritime distress signal

Science and technology

• Effective number of codons, a measure to study the state of codon usage biases in genes
• Nanocoulomb, an SI unit of electric charge
• Nasal cannula, a device used to deliver supplemental oxygen
• Neural crest, transient component of the ectoderm
• Not Connected, Unconnected pin in electronic equipment (or no connection)
• Normally closed, a switch where the default position is closed
• Numerical control, method of automatic operation of machine tools
• NC (complexity) Nick's Class, the set of decision problems decidable in polylogarithmic time on a parallel computer with a polynomial number of processors
• National coarse, a Unified Thread Standard for screw, nut, and bolts

Other uses

• NC, no comment
• NC-17, Motion Picture Association of America film rating system code indicating that children under 17 are not admitted
• National Certificate, name of an educational award in various countries including Ireland and Scotland
• New Centre, a political party in France
• Nathan Connolly, lead guitarist for Snow Patrol
• The Nostalgia Critic, an Internet personality.
• Newcomer

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