Main Page | See live article | Alphabetical index In telecommunication, system lifecycle is the course of developmental changes through which a system passes from its conception to the termination of its use and subsequent salvage. Note: For example, a system lifecycle might include the phases and activities associated with the analysis, acquisition, design, development, test, integration, operation, maintenance, and modification of the system. Source: from Federal Standard 1037C This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.