Direct Memory Access (DMA) Controller Explained | DMA in Computer Organization

Direct Memory Access (DMA) Controller Explained | DMA in Computer Organization DMA is an acronym with several meanings, most commonly Direct Memory Access in computing, which allows hardware to access main memory without CPU involvement, and Digital Markets Act, a European regulation for digital platforms. It can also refer to Dynamic Mechanical Analysis, a technique for material property testing, and Direct Market Access in trading, which is a facility for clients to execute trades directly through a broker's infrastructure. The correct meaning depends on the context. In computing Direct Memory Access (DMA): A feature that lets input/output (I/O) devices transfer data directly to or from main memory, freeing up the CPU for other tasks and improving performance. Digital Markets Act (DMA): A regulation from the European Union designed to make digital markets fairer and more contestable by setting rules for large online platforms (gatekeepers). In materials science Dynamic Mechanical Analysis (DMA): A technique used to study the viscoelastic properties of materials by applying a small, oscillating stress or strain and measuring the resulting strain or stress. In finance Direct Market Access (DMA): A service that gives clients the ability to execute trades directly through a brokerage's trading infrastructure, rather than through a manual order entry. Displaced Moving Average (DMA): A technical indicator in stock market analysis that moves a standard moving average back a certain number of bars on a price chart. Other meanings Directorate of Municipal Administration (DMA): A government department, such as the one in Karnataka, India, that handles municipal administration initiatives. Department of Military Affairs (DMA): A government body within the Ministry of Defence in India.