Quick Reference Guide

344 Glossary
noninterlaced
A technique for decreasing screen flicker by sequentially refreshing each horizontal
line on the screen.
ns
Abbreviation for nanosecond(s), one billionth of a second.
NTFS
Abbreviation for the Windows NT File System option in the Windows NT
operating system. NTFS is an advanced file system designed for use specifically
within the Windows NT operating system. It supports file system recovery,
extremely large storage media, and long filenames. It also supports object-oriented
applications by treating all files as objects with user-defined and system-defined
attributes.
See also FAT and FAT32.
NTLM
Abbreviation for Windows NT LAN Manager. NTLM is the security protocol for
the Windows NT operating system.
NuBus
Proprietary expansion bus used on Apple Macintosh personal computers.
NVRAM
Acronym for nonvolatile random-access memory. Memory that does not lose its
contents when you turn off your system. NVRAM is used for maintaining the
date, time, and system configuration information.
OID
Abbreviation for object identifier. An implementation-specific integer or pointer
that uniquely identifies an object.
online access service
A service that typically provides access to the Internet, e-mail, bulletin boards,
chat rooms, and file libraries.
operation
The process of applying a command through the appropriate interface.