User's Manual

Glossary 225
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 NT File System option in the Windows NT operating system
and later Windows operating systems.
NuBus
Proprietary expansion bus used on Apple
®
Macintosh
®
personal computers.
NVRAM
Acronym for non-volatile random-access memory. Memory that does not lose its
contents when you turn off your computer. NVRAM is used for maintaining the
date, time, and system configuration information.
OEM
Abbreviation for original equipment manufacturer. An OEM is a company that
supplies equipment to other companies to resell or incorporate into another
product using the reseller's brand name.
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.
OSWDT
Abbreviation for Operating System Watchdog Timer. A watch dog timer is a
computer hardware timing device that triggers a system reset, if the operating
system is not responding.
OTP
Abbreviation for one-time programmable.