NAK - Negative Acknowled-Gement (reconocimiento negativo).

NAKS - Narrow-Band Analog Mobile Phone Service.

NAT -Network Adress Traslation (traducción de direcciones de red).

NBP - Name Binding Protocol.

NCSA - National Center for Supercomputing Applications.

NDIS - Network Driver Interface Specification.

NDMP - Network Data Management Protocol.

NDS - Novell Directory Services.

NIC - Network Interface Card.

NMOS - N-Channel Metal-Oxide Semiconductor (semiconductor de óxido metálico con canal de tipo N).

NNTP - Network News Transfer Protocol.

NSPI - Netscape Server Application Programming Interface.

NSI - Network Solutions Inc.

NTFS - NT file system (sistema de archivos de NT).

NTP - Network Time Protocol.

NTSC - National Television System.