"The programming model on which several SQL Server and database application programming interfaces (APIs), such as SQL-DMO, OLE DB, and ADO, are based." (Microsoft Corporation, "SQL Server 7.0 System Administration Training Kit", 1999)
"A group of conventions and specifications that let you create interactions between software components in a structured object-oriented way." (Craig F Smith & H Peter Alesso, "Thinking on the Web: Berners-Lee, Gödel and Turing", 2008)
"A binary standard that enables objects to interoperate in a networked environment regardless of the language in which they were developed or on which computers they reside. COM-based technologies include ActiveX Controls, Automation, and object linking and embedding (OLE). COM allows an object to expose its functionality to other components and to host applications. It defines both how the object exposes itself and how this exposure works across processes and across networks. COM also defines the object's life cycle." (Microsoft)
"A mechanism in Windows whereby an application can be registered with the operating system, thereby enabling other applications to call it. The application is given a numeric key, which is stored in the registry together with the application's location. A client calls the application by calling the key." (Microfocus)
"An object-based programming model designed to promote software interoperability; it allows two or more applications or components to easily cooperate with one another, even if they were written by different vendors, at different times, in different programming languages, or if they are running on different computers running different operating systems. OLE technology and ActiveX are both built on top of COM." (Microsoft Technet)
"An object-oriented programming model that defines how objects interact within a single process or between processes. In COM, clients have access to an object through interfaces implemented on the object." (Microsoft)
"Microsoft's architecture for creating objects with standard binary interfaces for the desktop." (Microfocus)
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