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In computer architecture, a bus (historically also called a data highway [1] or databus) is a communication system that transfers data between components inside a computer or between computers. [2] It encompasses both hardware (e.g., wires, optical fiber) and software, including communication protocols. [3] At its core, a bus is a shared ...
Some other computer architectures use different modules with a different bus width. In a single-channel configuration, only one module at a time can transfer information to the CPU. In multi-channel configurations, multiple modules can transfer information to the CPU at the same time, in parallel.
See also References External links A Accelerated Graphics Port (AGP) A dedicated video bus standard introduced by INTEL enabling 3D graphics capabilities; commonly present on an AGP slot on the motherboard. (Presently a historical expansion card standard, designed for attaching a video card to a computer's motherboard (and considered high-speed at launch, one of the last off-chip parallel ...
A system bus is a single computer bus that connects the major components of a computer system, combining the functions of a data bus to carry information, an address bus to determine where it should be sent or read from, and a control bus to determine its operation. The technique was developed to reduce costs and improve modularity, and ...
Every piece of expansion hardware was issued with a floppy disk containing a special file used to auto-configure the hardware to work with the computer. The user would install the device, turn on the computer, load the configuration information from the disk, and the hardware automatically assigned interrupts, DMA, and other needed settings.
The byte is a unit of digital information that most commonly consists of eight bits.Historically, the byte was the number of bits used to encode a single character of text in a computer [1] [2] and for this reason it is the smallest addressable unit of memory in many computer architectures.
VPX computer bus standard - V -VME and P -PCI and X the extents for both buses standards. VXI: 1987 [13] 160 MByte/s [14] Multivendor standard for automated testing expansion cards. Working group is VXIConsortium.
CAT—Computer-aided translation; CAQ—Computer-aided quality assurance; CASE—Computer-aided software engineering; cc—C compiler; CC—Carbon copy; CD—Compact Disc; CDE—Common Desktop Environment; CDMA—Code-division multiple access; CDN—Content delivery network; CDP—Cisco Discovery Protocol; CDP—Continuous data protection; CD-R ...