Negotiation and U.S. ratification. Back row, left to right: Mexican President Carlos Salinas de Gortari, U.S. President George H. W. Bush, and Canadian Prime Minister Brian Mulroney, at the initialing of the draft North American Free Trade Agreement in October 1992.
Direct memory access. Direct memory access (DMA) is a feature of computer systems that allows certain hardware subsystems to access main system memory (RAM), independent of the central processing unit (CPU).
Six Sigma projects follow two project methodologies inspired by Deming 's Plan-Do-Check-Act Cycle. These methodologies, composed of five phases each, bear the acronyms DMAIC and DMADV. 1  DMAIC is used for projects aimed at improving an existing business process.