Ddm 2004 028 Kaohsiung Harbor.jpg
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DDM may refer to:


Computing

* Data Diffusion Machine, a virtual shared memory computer architecture from the 1990s * Digital diagnostics monitoring function in SFP transceivers * Distributed Data Management Architecture, an open, published architecture for creating, managing and accessing data on a remote computer. * Dynamic Data Masking, a form of
data masking Data masking or data obfuscation is the process of modifying sensitive data in such a way that it is of no or little value to unauthorized intruders while still being usable by software or authorized personnel. Data masking can also be referred as ...
* Dynamic Device Mapping, an advanced technology for USB KVM switches


Science and technology

* Derrick Drilling Machine, or
Top drive A top drive is a mechanical device on a drilling rig that provides clockwise torque to the drill string to drill a borehole. It is an alternative to the rotary table and kelly drive. It is located at the swivel's place below the traveling block and ...
* Difference in the Depth of Modulation, an amplitude modulation method used in the Instrument Landing System * Differential dynamic microscopy, an optical technique * Direct Digital Manufacturing * Doctor of Dental Medicine, an academic degree for dentistry * Domain decomposition methods * Two-alternative_forced_choice#Drift-diffusion_model, Drift Diffusion Model, a method used in psychological choice testing * Maltosides (n-Dodecyl β-D-Maltopyranoside), a detergent used when purifying membrane proteins * Dyson Digital Motor, a two-pole switched reluctance motor


Finance

* Dividend Discount Model, a valuation method for shares based on dividends * East German mark, a former currency (ISO code was ''DDM'')


Other uses

* ''Deutsches Dampflokomotiv-Museum'', the German Steam Locomotive Museum * Dharma Drum Mountain, a Buddhist educational foundation * Didymoteicho, a Greek town * ''Dubbeldeks Materieel'', a class of trains in the Netherlands#Electric multiple units, trains in the Netherlands * Dungeon Dice Monsters, a board game * Dungeons & Dragons Miniatures Game, collectible tactical skirmish game {{disambig