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 usually fast.

Dictionary of networking . 2014.

Look at other dictionaries:

  • 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 —    (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

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.