(pronounced as separate letters) Short for NT File System, one of the file systems for the Windows NT operating system (Windows NT also supports the FAT file system). NTFS has features to improve reliability, such as transaction logs to help recover from disk failures. To control access to files, you can set permissions for directories and/or individual files. NTFS files are not accessible from other operating systems such as DOS.
For large applications, NTFS supports spanning volumes, which means files and directories can be spread out across several physical disks.
Short for NT Loader, a program loaded from the hard drive boot sector that displays the Microsoft Windows NTstartup menu and helps Windows NT load. Often a user will see the message “NTLDR is Missing” after attempting to install Windows 2000 or Windows XP, or upgrade a Windows 95-based or Windows 98-based computer to Windows […]
Abbreviation for “Windows NT LAN Manager” The NTLM protocol was the default for network authentication in the Windows NT 4.0 operating system. It is retained in Windows 2000 for compatibility with down-level clients and servers. NTLM is also used to authenticate logons to standalone computers with Windows 2000. Computers with Windows 3.11, Windows 95, Windows […]
Short for Network Time Protocol, an Internet standard protocol (built on top of TCP/IP) that assures accurate synchronization to the millisecond of computer clock times in a network of computers. Based on UTC, NTP synchronizes client workstation clocks to the U.S. Naval Observatory Master Clocks in Washington, DC and Colorado Springs CO. Running as a […]
Short for National Television System Committee. The NTSC is responsible for setting television and video standards in the United States (in Europe and the rest of the world, the dominant television standards are PAL and SECAM). The NTSC standard for television defines a composite video signal with a refresh rate of 60 half-frames(interlaced) per second. […]
(pronounced as separate letters) Short for network termination unit, a device that connects the PSTN with a CPE. This device marks the final interconnect between the public network and a customer��s private equipment. The NTU is owned by the service provider and typically has communication standards, such as voltages and protocols, that allow specific types […]