direct memory access

"A technology that allows certain devices, such as hard disks and CD or DVD drives, to transfer information directly through the computer's memory without using the computer's processor. DMA improves the performance of the device and frees the computer's processor so it can perform other tasks."
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English-Arabic terms dictionary. 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 —   [dt. »direkter Speicherzugriff«], DMA …   Universal-Lexikon

  • Direct Memory Access — Accès direct à la mémoire Pour les articles homonymes, voir DMA. L accès direct à la mémoire ou DMA (sigle anglais de Direct Memory Access) est un procédé informatique où des données circulant de ou vers un périphérique (port de communication,… …   Wikipédia en Français

  • Direct Memory Access — Der Begriff Speicherdirektzugriff oder englisch Direct Memory Access (DMA) bezeichnet in der Computertechnik eine Zugriffsart, die über ein Bussystem direkt auf den Speicher zugreift. Diese Technik erlaubt angeschlossenen Peripheriegeräten, wie… …   Deutsch Wikipedia

  • direct memory access — noun Computers a data path to a computer memory in which the central processing unit does not intervene; used for high speed transfer of large volumes of data. Also, direct memory channel …   Australian English dictionary

  • Direct Memory Access — communications channel between memory and peripheral devices, DMA …   English contemporary dictionary

  • 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

  • direct memory access —    (DMA)    The ability of an external I/O device to act on and transfer data to and from memory without intermediary devices or circuits …   IT glossary of terms, acronyms and abbreviations

  • Direct memory access — …   Википедия

  • Remote Direct Memory Access — (RDMA) allows data to move directly from the memory of one computer into that of another without involving either one s operating system. This permits high throughput, low latency networking, which is especially useful in massively parallel… …   Wikipedia

  • Ultra Direct Memory Access — (UDMA) protocol for information transfer at an increased speed from a computer to a peripheral device without going through the central processing unit (CPU) …   English contemporary dictionary

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