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Object Oriented Analysis - Online Term Papers

Object Oriented Analysis

During the 1950’s, era of computing, computer programs were created using ad hoc software development approach; each system a unique, custom-built intellectual product. In their book, & Design, Edward Yourdon and Carl Argila state “There was no concept of reusability, interchangeability of parts, or for that matter, formal design.” The systems were difficult to maintain or enhance, and became more and more difficult with each change.
During the 1960’s, there were efforts to create more maintainable software, and in a more predictable fashion. The waterfall approach, as it was called, required that a number of formal phases be completed in the process of developing a software system. ...

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should be built like any large, complex engineering system, by first building working paper models of the system before committing the resources for implementation. This allowed the user to visualize the future system. Most modern approaches have integrated some form of Demarco’s philosophy. The variation in approaches is based on the kinds of models that should be built, how they should be built, and who should build them. A generic model-based software-engineering life cycle is demonstrated in Appendix 1-A.
A concept that is reflected in most model-based software-engineering models is the concept of a ‘Separation of Concerns’. This generally means creating an analysis model separate from the design model. Analysis models capture software system requirements that are essential; they decide what a system will do, independent of any particular approach or technology. Design models specify how a particular system will be built within the context of a given ...

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Object Oriented Analysis. (2008, March 30). Retrieved December 23, 2024, from http://www.essayworld.com/essays/Object-Oriented-Analysis/81306

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PAPER DETAILS

Added: 3/30/2008 09:09:45 AM
Category: Computers
Type: Premium Paper
Words: 666
Pages: 3

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