Quick Reference Guide

Glossary 321
ID
Abbreviation for identifier, commonly used when referring to a user identifier
(user ID), object identifier (object ID), or hardware identifier (controller ID).
IDE
Abbreviation for Integrated Drive Electronics. IDE is a computer system
interface, used primarily for hard drives and CDs.
I/O
Abbreviation for input/output. The keyboard is an input device, and a printer is
an output device. In general, I/O activity can be differentiated from
computational activity. For example, when a program sends a document to the
printer, it is engaging in output activity; when the program sorts a list of terms,
it is engaging in computational activity.
IHV
Abbreviation for independent hardware vendor. IHVs often develop their own
MIBs for components that they manufacture.
interlacing
A technique for increasing video resolution by only updating alternate horizontal
lines on the screen. Because interlacing can result in noticeable screen flicker,
most users prefer noninterlaced video adapter resolutions.
internal microprocessor cache
An instruction and data cache built in to the microprocessor. The Intel Pentium
microprocessor includes a 16-KB internal cache, which is set up as an 8-KB
read-only instruction cache and an 8-KB read/write data cache.
IP address
Abbreviation for Internet Protocol address. See TCP/IP.
IPMB
Abbreviation for intelligent platform management bus, which is a bus used in
systems management technology.
IPMI
Abbreviation for Intelligent Platform Management Interface, which is a part of
systems management technology.