", the model is supposed to deviate from the original and as long as there is a good reason for that one doesn't worry. Software process models are in an idealizing reference mode to the actually realized software process . As the software process model describes how software shall be developed under ideal conditions there is no reason to be worried if one deviates from the model because the real conditions are not ideal. (4) constituting, i. e. , the original is constituted by the model and that makes devations from model to original imposible. On ontology is in constituting reference mode to the domain it constitutes. Model Car Garage The distinction between descriptive and prescriptive reference mode goes at least back to Wieringa, [2]. More detail and references regarding models and modeling can be found, e. "

" For example, an operating system command to display the current time. It displays the time and is done; it does not wait for events. For more information, see: Event-driven_programming Implementations The pattern was first described in 1979 by Trygve Reenskaug, then working on Smalltalk at Xerox research labs. This original implementation inspired many other GUI frameworks such as: The NeXTSTEP and OPENSTEP development environments encourage the use of MVC. Cocoa, based on these technologies, also uses MVC. Microsoft Foundation Classes (MFC). The Java Swing GUI library. Proton Car Model More recently there have been attempts to apply MVC architectures for web-based interfaces. In the design of web applications, MVC is also known as a "Model 2" architecture in Sun parlance. "