Dell PowerEdge 4300 Dell PowerEdge 4300 Systems User's Guide - Page 146
guarding, RAID 1, RAID 10
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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. Acronym for nickel cadmium. Abbreviation for nickel-metal hydride. Abbreviation for minute(s). Acronym for NetWare® Loadable Module. 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 duplicate copies of the data. Mirroring is the preferred data redundancy technique in lower-capacity systems and in systems where performance is extremely important. See also guarding, RAID 1, and RAID 10. Abbreviation for nonmaskable interrupt. A device sends an NMI to signal the microprocessor about hardware errors such as parity errors. A technique for decreasing screen flicker by sequentially refreshing each horizontal line on the screen. Abbreviation for millimeter(s). A pointing device that controls the movement of the cursor on a screen. Mouse-aware software allows you to activate commands by clicking a mouse button while pointing at objects displayed on the screen. Abbreviation for millisecond(s). Abbreviation for Microsoft Disk Operating System. Abbreviation for mean time between failures. Abbreviation for nanosecond(s), one billionth of a second. Abbreviation for the NT File System option in the Windows NT operating system. Abbreviation for nonvolatile randomaccess memory. Memory that does not lose its contents when you turn off your computer. NVRAM is used for maintaining the date, time, and system setup options. Abbreviation for Operating System/2. Abbreviation for one-time programmable. 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. An I/O port used most often to connect a parallel printer to your computer. You can usually identify a parallel port on your computer by its 25-hole connector. Abbreviation for millivolt(s). Acronym for network interface card. A value or option that you specify to a program. A parameter is sometimes called a switch or an argument. 10 Dell PowerEdge 4300 Systems User's Guide