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- NDIS
- Network Driver Interface Specification. The interface for network drivers used in Windows and Windows NT/Windows 2000. NDIS provides transport independence for network vendors because all transport drivers call the NDIS interface to access the network.
- NetPC
- Network PC. A PC designed to meet the industry specification for Network PC systems, which optimizes PC design for flexibility and manageability in order to reduce the total cost of ownership.
- nibble mode
- An asynchronous, peripheral-to-host channel defined in the IEEE 1284-1944 standard. Provides a channel for the peripheral to send data to the host, which is commonly used as a means of identifying the peripheral.
- NMI
- Nonmaskable Interrupt. An interrupt that cannot be overruled by another service request. A hardware interrupt is called nonmaskable if it bypasses and takes priority over interrupt requests generated by software, the keyboard, and other devices.
- non-interlaced
- The method of scanning all lines on a display from top to bottom in sequential order at a specific rate per second. Unlike television, which uses an interlaced scanning method, computers typically use non-interlaced monitors.
- NSP
- Native signal processing.
- NTFS
- Windows NT/Windows 2000 file system. An advanced file system designed for use specifically with the Windows NT/Windows 2000 operating system. NTFS supports file system recovery and extremely large storage media, in addition to other advantages.
- NTKERN
- The Windows 9x version of the kernel component in Windows NT/Windows 2000.
- NTSC
- National Television System Committee of the Electronics Industries Association (EIA). The standards-setting body for television and video in the United States. Sponsor of the NTSC standard for encoding color, a coding system compatible with black-and-white signals and the first system used for color broadcasting in the United States. The broadcast standard for the United States and Japan. See also PAL format and SECAM.
- NTSC format
- A color-television format having 525 scan lines, a field frequency of 60 Hz, a broadcast bandwidth of 4 MHz, line frequency of 15.75 KHz, frame frequency of 1/30 of a second, and a color subcarrier frequency of 3.58 MHz. See also PAL format and SECAM.
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