Asus PCI-SC896 User Manual - Page 29
Appendix, Glossary of Terms and Abbreviations
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4. Appendix 4. Glossary of Terms and Abbreviations Address - A specific location in memory, designated either numerically or by a symbolic name. Asynchronous Data Transfer - A method of transmission which does not require a common clock, but separates fields of data by stop and start bits. It is slower than synchronous data transfer. BIOS - Basic Input/Output System. Software that provides basic read/write capability. Usually kept as firmware (ROM based). The system BIOS on the mainboard of a computer is used to boot and control the system. The SCSI BIOS on your host adapter acts as an extension of the system BIOS. Bit - A binary digit. The smallest unit of information a computer uses. The value of a bit (0 or 1) represents a two-way choice, such as on or off, true or false, and so on. Bus - A collection of unbroken signal lines across which information is transmitted from one part of a computer system to another. Connections to the bus are made via taps on the lines. Bus Mastering - A high-performance way to transfer data. The host adapter controls the transfer of data directly to and from system memory without bothering the computer's microprocessor. This is the fastest way for multitasking operating systems to transfer data. Byte - A unit of information consisting of eight bits. Chain - A topology in which every processor is connected to two others, except for two end processors that are connected to only one other. CISPR - A special international committee on radio interference (Committee, International and Special, for Protection in Radio). B-2 Glossary of Terms and Abbreviations Configuration - Refers to the way a computer is set up; the combined hardware components (computer, monitor, keyboard, and peripheral devices) that make up a computer system; or the software settings that allow the hardware components to communicate with each other. CPU - Central Processing Unit. The "brain" of the computer that performs the actual computations. The term Micro Processor Unit (MPU) is also used. DMA - Direct Memory Access. A method of moving data from a storage device directly to RAM, without using the CPU's resources. 4. Appendix ASUS PCI-SC896 User's Manual 29