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A computer can contain several different forms of memory, such as RAM, ROM, and video memory. Frequently, the word memory is used as a synonym for RAM; for example, an unqualified statement such as “¼a computer with 8 MB of memory” re- fers to a computer with 8 MB of RAM.
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A specific location, usually expressed as a hexadecimal number, in the computer’s RAM.
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A utility that controls the implementation of memory in addition to conventional memory, such as extended or expanded memory. See alsoconventionalmemory,
EMM, expanded memory, extended memory, HMA, upper memory area, and XMM.
0*$
Abbreviation for monochrome graphics adapter.
0+]
Abbreviation for megahertz.
0,%
Acronym for management information base.
0,)
Abbreviation for management informa- tion format.
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Because it is the primary computational chip inside the computer, it is customary to refer to the microprocessor as “the computer’s brain.” The microprocessor contains an arithmetic processing unit and a control unit. Software written for one microprocessor must usually be revised to run on another microprocessor. CPU is a synonym for microprocessor.
PLQ
Abbreviation for minute(s).
PLUURULQJ
A type of data redundancy that uses a set of physical drives to store data and one or more sets of additional drives to store du- plicate copies of the data. Mirroring is the preferred data redundancy technique in
PP
Abbreviation for millimeter(s).
PRXVH
A pointing device that controls the movement of the cursor on a screen.
PV
Abbreviation for millisecond(s).
06'26
Abbreviation for Microsoft Disk Operating System.
07%)
Abbreviation for mean time between failures.
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A monitor that supports several video standards. A multifrequency monitor can adjust to the frequency range of the signal from a variety of video adapters.
P9
Abbreviation for millivolt(s).
1)6
Network File System. A protocol for networking PCs.
1,&
Acronym for network interface card.
1L&DG
Acronym for nickel cadmium.
1L0+
Abbreviation for
Glossary 11
