Manualshelf

Operating instructions

ManualsBrandsAmerican Megatrends ManualsComputer equipmentOlympus Pentium III PCI ISA
41424344454647484950
48 MIKE MEYERS’ A+ CERTIFICATION PASSPORT
Passport / Mike Meyers‘ A+ Certification Passport / Meyers / 226308-3 / Glossary
NTFS permissions A set of restrictions that determine the amount of access
given to a particular user on a system using NTFS.
NTLDR A Windows NT/2000/XP boot file. Launched by the MBR or MFT,
NTLDR looks at the BOOT.INI configuration file for any installed operating
systems.
NVIDIA A company that is one of the foremost manufacturers of graphics
cards and chipsets.
NWLink Also called IPX/SPX-Compatible Protocol. Microsoft’s implemen
-
tation of IPX/SPX. See also IPX/SPX.
object A system component that is given a set of characteristics and can be
managed by the operating system as a single entity.
ohm(s) Electronic measurement of a cable’s impedance.
OS (operating system) A series of programs and code that create an interface
so that a user can interact with a system’s hardware, for example, DOS, Win-
dows, and Linux.
OS X Pronounced “ten” rather than “ex”; the current operating system on
Apple Macintosh computers. Based on a Unix core, early versions of OS X ran
on Motorola-based hardware; current versions run on Intel-based hardware.
OSI (Open Systems Interconnect) An international standard suite of proto
-
cols, defined by the International Organization for Standardization (ISO), that
implements the OSI reference model for network communications between
computers.
OSI seven-layer model An architecture model based on the OSI protocol
suite that defines and standardizes the flow of data between computers. The
seven layers are:
Layer 1 The Physical layer defines hardware connections and turns bi
-
nary into physical pulses (electrical or light). Repeaters and hubs operate
at the Physical layer.
Layer 2 The Data Link layer identifies devices on the Physical layer.
MAC addresses are part of the Data Link layer. Bridges operate at the
Data Link layer.
P:\010Comp\Passport\308-3\gloss.vp
Monday, April 09, 2007 10:24:45 PM
Color profile: Generic CMYK printer profile
Composite Default screen