DMA


Also found in: Dictionary, Thesaurus, Medical, Legal, Financial, Acronyms, Wikipedia.

dma

(computer science)

DMA

(organic chemistry)

DMA

DMA

(1) (Digital Media Adapter) See digital media hub.

(2) (Document Management Alliance) A specification that provides a common interface for accessing and searching document databases. It provides interoperability between multivendor document management systems. DMA was released in 1998 by the DMA task group of the AIIM association. See AIIM.

(3) (Direct Memory Access) Transferring data between memory and peripheral devices or from memory to memory without going through the CPU. Although DMA technologies may periodically steal cycles from the CPU, data are transferred much faster than using the CPU to control every byte of transfer.

Old ISA buses used 8-bit and 16-bit DMA channels, while PCI can take control and access system memory directly. New Xeon chips call their DMA the I/O Acceleration Technology (IOACT), and ARM's DMA is part of its Advanced Microcontroller Bus Architecture (AMBA) for connecting system-on-chip components (see SOC).


DMA Disk Transfers
IDE disk drives can transfer data via DMA or the Programmed I/O mode.
References in periodicals archive ?
The Intel Viiv technology verified version of the DiXiM DMA supports UPnP Remote User Interface and DTCP-IP (Digital Transmission Content Protection over IP).
It has been shown how the relative stability of PVC and EPDM membranes can be determined by TG, oscillating-dsc, DMA and TMA.
All current and future DMA members will be required to demonstrate CCC understanding and compliance by completing an orientation and training program on the new guidelines and policies.
The DMA has created several best practice documents and white papers that help marketers understand authentication protocols and improve delivery rates for commercial e-mails.
A checklist of information security procedures developed by The DMA in cooperation with the Federal Trade Commission (FTC) and based on DMA guidelines are available at http://www.
Yesterday it was announced that Lehman Brothers acquired Townsend Analytics - placing Lehman in the ranks of other firms like Bank of New York, Bank of America and JP Morgan Chase who previously acquired DMA platform providers Sonic Trading, InstaQuote and NeoVest, respectively.
The DMA is the leading trade association for businesses interested in interactive and database marketing, with nearly 4,700 member companies from the United States and 53 other nations.
With offices across the United States and Canada, DMA is North America's choice for corporate tax solutions.
We commend the Commission for its thorough examination and report on a proposed National Do Not E-mail Registry," said Jerry Cerasale, senior vice president, government affairs, The DMA.
NEW YORK -- Electronic Specialist, LLC (ESP) today announced the integration of its Global DMA and Electronic Algorithm Routing Network (EARN(TM)) with Instinet Crossing(R).
Postal reform legislation is of vital importance to the members of The DMA, The DMA Nonprofit Federation (DMANF), and, indeed, all corporate and nonprofit mailers, as well as the general public," said Wientzen.
StrongMail vice president, Dave Lewis, co-chairs the ESPC committee that evaluates reputation services and was an author of the position statement on authentication that urged assertive action such as that taken by the DMA.