Dell 740N, 720N, 760N, 2385P manual Krvwdgdswhu, Lqedqg, Lqwhuodflqj, Lqwhuqdoplfursurfhvvrufdfkh

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A host adapter implements communica- tion between the computer’s bus and the controller for a peripheral. (Hard-disk drive controller subsystems include integrated host adapter circuitry.) To add a SCSI ex- pansion bus to your system, you must install the appropriate host adapter.

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Abbreviation for the High Performance File System option in the Windows NT operating system.

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Hypertext Transfer Protocol. An object-ori- ented protocol that can be used for many tasks, such as name servers and distrib- uted object management systems, through extension of its request methods (commands).

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Abbreviation for hertz.

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Abbreviation for input/output. The key- board and a printer, for example, are I/O devices. In general, I/O activity can be dif- ferentiated from computational activity. For example, when a program sends a document to the printer, it is engaging in I/O activity; when the program sorts a list of terms, it is engaging in computational activity.

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Abbreviation for identification.

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Abbreviation for independent hardware vendor.

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Communication across the network be- tween the console and server.

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A technique for increasing video resolu- tion by only updating alternate horizontal lines on the screen. Because interlacing can result in noticeable screen flicker, most users prefer noninterlaced video adapter resolutions.

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An instruction and data cache built in to the microprocessor. The Pentium micro- processor, for example, 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.

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Acronym for Internet Protocol.

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Acronym for internetwork packet exchange.

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Abbreviation for interrupt request. A sig- nal that data is about to be sent to or received by a peripheral travels by an IRQ line to the microprocessor. Each peripher- al connection must be assigned an IRQ number. For example, the first serial port in your computer (COM1) is assigned to IRQ4 by default. Two devices can share the same IRQ assignment, but you cannot operate both devices simultaneously.

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Acronym for Industry-Standard Architec- ture. A 16-bit expansion bus design. The expansion-card connectors in an ISA com- puter are also compatible with 8-bit ISA expansion cards.

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Abbreviation for Internet Service Manager.

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Abbreviation for information technology equipment.

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Acronym for Japanese Electronic Industry Development Association.

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Abbreviation for kilo-, indicating 1,000.

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Abbreviation for kilobyte(s), 1,024 bytes.

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Abbreviation for kilobyte(s) per second.

Glossary 9