D | IoT Glossary of Terms

DAC: Short for Digital to Analog Converter.
DG: Short for Distributed Generation.
DIY: Acronym for Do It Yourself. …
DNP3 Protocol: An open, standards-based protocol for the electric utility industry with interoperability between substation computers, RTUs, IEDs (Intelligent Electronic Devices) and master stations. …
DOOH: Short for Digital Out Of Home.
DR: Short for Demand Response or Dead Reckoning.
DSRC: Short for Dedicated Short-Range Communications.
Dashboard: A user interface that presents key information in a summarized form, often as graphs or other widgets. …
Data Janitor: A less than glamorous subtask of data science concerned with the cleaning up of dirty or duplicative data. …
Data Lake: Coined by Pentaho CTO James Dixon, a data lake is a massive data repository, designed to hold raw data until it's needed and to retain data attributes so as not to preclude any future uses or analysis. …
Data Scientist: A glamorous job that combines statistics and programming, using languages such as R, to make sense of massive data sets. …
Datakinesis: A termed coined by Marc Blackmer, datakinesis occurs when an action taken in cyberspace has a result in the physical world. …
De-identification: The stripping away of personally identifiable information from data prior to its use. …
Dead Reckoning: The calculation of current position using velocity from a previously determined position, or fix. …
Dedicated Short-Range Communications: Wireless communication channels, protocolss and standards specifically designed for automotive applications primarily V2V. …
Degrees of Freedom: An engineering concept used in MEMS that describes the directions in which an object can move, and generally the number of independent variables in a dynamic system.
Demand Response: The voluntary reduction of electricity use by end-users in response to high-demand pricing. …
Deterministic Ethernet: Protocol using time scheduling to bring deterministic real-time communication to Ethernet standard IEEE 802 (802.3, 802.1Q AVB and 802.1Qbv) Ethernet. …
Device Discovery: The process of determining what devices are connected to, and interacting with, a given network, taking into account varieties of protocols. …
Device Layer: A term coined by Qadium, the Device Layer refers to the non-web Internet, used primarily for M2M.
Digital Out Of Home: An advertising concept for dynamic displays, DOOH technologies contribute to Smart Cities through way-finding, public safety displays, proximity services and more.
Digital Twinning: The mapping of a physical asset to a digital platform. …
Digital to Analog Converter: Converts digital data into an analog quantity such as pressure, voltage or current. …
Distributed Assets: A subset of fixed assets that are distributed spacially and require special attributes to locate and manage. …
Distributed Generation: Decentralized, modular and flexible power generation located close to the serviced loads. …
DoF: Acronym for Degrees of Freedom
Domotics: A contraction of Domestic and Robotics. …
Dotdot: The brand name of Zigbee's open, universal language for IoT devices. …

Glossary: D