Technology terms starting with N

671 terms

  1. NTF National Test Facility.
  2. NTF (Notes Template File) The file extension for a Notes template file. A template file contains the structure for the application -- that is, forms, folders, and views -- but does…
  3. NTFS NT File System. The Windows NT hierarchical file system.
  4. NTFS File System Designed exclusively for use with the Windows NT and later operating systems. NTFS allows for stronger security and more flexible file management methods…
  5. NTFS permissions The permissions used in NTFS-style security to control access to files and directories.
  6. NTI Northern Telecom Incorporated.
  7. NTIA National Telecommunications and Information Administration.
  8. NTIC (1) Navy Tactical Intelligence Center. (2) National Technical Information Center.
  9. NTIS National Technical Information Service.
  10. NTISSC National Telecommunications and Information Systems Security Committee.
  11. NTISSP National Security Telecommunications and Information Systems Security Publication.
  12. NTLM NT LAN Manager. A Windows NT authentication protocol; supported by NetCache.
  13. NTLM credential A message containing a challenge and response, sent from the browser to NetCache or from NetCache to a domain controller, for the purpose of…
  14. NTM National Technical Means.
  15. NTMG National Technical Means Gateway.
  16. NTN Abbreviation for network terminal number.
  17. NTP 1. Notice to Proceed. 2. Navy Training Plan.
  18. NTP (Network Time Protocol) A Network Time Protocol server keeps the time on the network.
  19. NTS Nevada Test Site (US).
  20. NTSC standard Abbreviation for National Television Standards Committee standard. The North American standard (525-line interlaced raster-scanned video) for the…
  21. NTU New Threat Upgrade.
  22. NTW OBSOLETE. Navy Theater-Wide. Now referred to as the Sea-Based Midcourse Segment of BMDS.
  23. NTWD(S) OBSOLETE. Navy Theater-Wide Defense (System).
  24. Nuclear Cloud See Radioactive Cloud.
  25. Nuclear Directed Energy Weapon (NDEW) A directed energy weapon for which the source of energy is a specially designed nuclear device. 204
  26. Nuclear Environment The environment, which results from the detonation of nuclear weapons. Some components of this environment are directly emitted by the nuclear weapon and…
  27. Nuclear Hardness A quantitative description of the resistance of a system or component to malfunction (temporary and permanent) and/or degraded performance induced by a…
  28. Nuclear Radiation Particulate and electromagnetic radiation emitted from atomic nuclei in various nuclear processes.
  29. Nuclear Survivability Characteristics A quantitative description of the system features needed to meet its survivability requirements.
  30. Nuclear, Biological, and Chemical Contamination (NBCC) The deposit and/or absorption of residual radioactive material or biological or chemical agents on or by structures, areas, personnel, or objects.
  31. Nuclear, Biological, and Chemical Contamination Survivability The capability of a system and its crew to withstand a NBCC environment and relevant decontamination without losing the ability to accomplish the assigned…
  32. NUDET Nuclear Detonation.
  33. NUICCS NORAD and USSPACECOM Integrated Command and Control System.
  34. null The null type has one value, the null reference, represented by the literal null, which is formed from ASCII characters.
  35. null character The \u0000 character. Care should be taken not to confuse this with the null reference.
  36. null character (NUL) In transmission systems, a control character (a) that is used to accomplish media-fill stuffing or a time-fill stuffing in storage device or in a data…
  37. null list A "list value" with zero elements, represented in Perl by ().
  38. null object A null object is one whose version ID is null. Amazon S3 adds a null object to a bucket when versioning for that bucket is suspended.
  39. null reference A value used to mean, `no object'. Used when an object reference variable is not referring to an object.
  40. null string A "string" containing no characters, not to be confused with a string containing a "null character", which has a positive length and is "true".
  41. null value The absence of a value. If a particular column of a row in a table is null, that means there is no value stored. Null is not the same as blank or zero.
  42. NUMA (Non-Uniform Memory Access) describes a system architecture in which the machine is organized into a series of nodes containing processors and memory.
  43. number base The base used to interpret numerical characters. Decimal notation is base 10 and binary notation is base 2, for instance.
  44. number portability A term used to describe the capability of individuals, businesses and organizations to retain their existing telephone number(s) and the same quality of…
  45. numbering plan area (NPA) 1. A defined geographic area identified by a unique three- digit code used in the North American Number Plan Area. [T1.207-1998] [T1.
  46. numeric alphabetic indexing An alphanumeric system in which numerals precede alphabetic coding
  47. numeric context The situation in which an expression is expected by its surroundings (the code calling it) to return a number. See also "context" and "string context".
  48. numeric filing system Any classification system for arranging records that is based on numbers See also alphabetic filing system.
  49. numerical aperture (NA) The sine of the vertex angle of the largest cone of meridional rays that can enter or leave an optical system or element, multiplied by the refractive…
  50. numerical aperture loss A loss of optical power that occurs at a splice or a pair of mated connectors when the numerical aperture of the "transmitting" fiber exceeds that of the…
  51. NUT Navy Upper Tier (Missile Defense).
  52. NV Short for Nevada, no part of which will ever be confused with civilization. NV also means an internal floating-point Numeric Value of the type a "scalar"…
  53. NVFAIL Software that warns you of compromised database validity and automatically renames the database so that it does not restart automatically.
  54. NVG Night Vision Goggles.
  55. NVIS Near Vertical Incidence System (SINCGARS term).
  56. NVMEN Non-Volatile Memory (Telecomm/Computer term).
  57. NVRAM Nonvolatile Random Access Memory. Type of computer memory that retains data in the event of a loss of power.
  58. NVRAM mirror A synchronously updated copy of the contents of a clustered filer's NVRAM stored on the partner filer.
  59. NVS (Non-Volatile Storage) random access memory storage whose contents are not lost when power is removed.
  60. NWC (1) National Warning Center. (2) National War College. (3) Naval War College. (4) Nuclear Weapons Council. (5) Naval Weapons Center.
  61. NWE Nuclear Weapons Effect.
  62. NWFZ Nuclear Weapons Free Zone.
  63. NWP Numerical Weather Prediction
  64. NWS National Weather Service. An agency of the Federal Government within the Department of Commerce, National Oceanic and Atmospheric Administration, which is…
  65. NWSC Naval Weapons Support Center. 205
  66. NWSUS Navy WWMCCS Site Unique Software. 206
  67. NXX code In the North American direct distance dialing numbering plan, a central office code of three digits that designates a particular central office or a given…
  68. nybble Half a "byte", equivalent to one "hexadecimal" digit, and worth four bits.
  69. Nyquist interval The maximum time interval between equally spaced samples of a signal that will enable the signal waveform to be completely determined.
  70. Nyquist rate The reciprocal of the Nyquist interval, i.e., the minimum theoretical sampling rate that fully describes a given signal, i.e.
  71. Nyquist's theorem A theorem, developed by H. Nyquist, which states that an analog signal waveform may be uniquely reconstructed, without error, from samples taken at equal…