direct disk access

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English-Russian dictionary of computer science. 2015.

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  • Direct memory access — (DMA) is a feature of modern computers that allows certain hardware subsystems within the computer to access system memory independently of the central processing unit (CPU). Without DMA, the CPU using programmed input/output is typically fully… …   Wikipedia

  • direct memory access —    Abbreviated DMA. A method of transferring information directly from a mass storage device, such as a hard disk, into memory without the information passing through the processor. Because the processor is not involved in the transfer, DMA is… …   Dictionary of networking

  • Access method — An access method is a function of a mainframe operating system that enables access to data on disk, tape or other external devices. They were introduced in 1963 in IBM OS/360 operating system. [http://researchweb.watson.ibm.com/journal/rd/255/ausl… …   Wikipedia

  • Disk-drive performance characteristics — are the attributes which control the time it takes to transfer (read or write) data between a computer and a data storage device (most typically disk storage) starting with the initial command from the computer or host until the storage device… …   Wikipedia

  • Direct Access Archive — Filename extension .daa Developed by PowerISO Computing, Inc. Type of format Disk image Direct Access Archive, or DAA, is a proprietary file format developed by PowerISO Computing for disk image files. The format supports features such as… …   Wikipedia

  • Direct-attached storage — (DAS) refers to a digital storage system directly attached to a server or workstation, without a storage network in between. It is a retronym, mainly used to differentiate non networked storage from SAN and NAS. Contents 1 Features 2 Storage… …   Wikipedia

  • Disk cartridge — has several meanings related to computer storage. Contents 1 1960s storage medium 2 Modern storage medium 3 Protective casing 4 See also …   Wikipedia

  • Direct access storage device — In mainframe computers and some minicomputers, a direct access storage device, or DASD (  /ˈdæ …   Wikipedia

  • Disk formatting — Formatting a hard drive using MS DOS Disk formatting is the process of preparing a hard disk drive or flexible disk medium for data storage. In some cases, the formatting operation may also create one or more new file systems. The formatting… …   Wikipedia

  • Direct-to-disk recording — This article is about digital storage systems. For audio recording, see Direct to disc recording. Not to be confused with Digital video recorder. Direct to disk recording (DDR) refers to methods by which analog signals and digital signals such as …   Wikipedia

  • Disk sector — Figure 1. Disk structures: (A) Track (B) Geometrical sector (C) Track sector (D) Cluster In computer disk storage, a sector is a subdivision of a track on a magnetic disk or optical disc. Each sector stores a fixed amount of user data.… …   Wikipedia

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