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Encyclopedia > Systems design

Systems design is the process or art of defining the hardware and software architecture, components, modules, interfaces, and data for a computer system to satisfy specified requirements. One could see it as the application of systems theory to computing. Some overlap with the discipline of systems analysis appears inevitable. Hardware is the general term that is used to describe physical artifacts of a technology. ... Computer software (or simply software) refers to one or more computer programs and data held in the storage of a computer for some purpose. ... Data is the plural of datum. ... A computer system consists of a set of hardware and software which processes data in a meaningful way. ... A requirement is a singular documented need of what a particular product should be or do. ... Systems theory is an interdisciplinary field which studies relationships of systems as a whole. ... Originally, the word computing was synonymous with counting and calculating, and a science that deals with the original sense of computing mathematical calculations. ... Systems analysis is the science dealing with analysis of complex, large scale systems and the interactions within those systems. ...


Prior to the standardization of hardware and software in the 1990s which resulted in the ability to build modular systems, systems design had a more crucial and respected role in the data processing industry. The increasing importance of software running on generic platforms have enhanced the discipline of software engineering at systems design's expense. Standardization, in the context related to technologies and industries, is the process of establishing a technical standard among competing entities in a market, where this will bring benefits without hurting competition. ... The 1990s decade refers to the years from 1990 to 1999, inclusive, the last decade of the 20th Century. ... A module is a self-contained component of a system, which has a well-defined interface to the other components; something is modular if it is constructed so as to facilitate easy assembly, flexible arrangement, and/or repair of the components. ... Data processing is any computer process that converts data into information. ... Software engineering (SE) is the profession that creates and maintains software applications by applying technologies and practices from computer science, project management, engineering, application domains and other fields. ...


Object-oriented analysis and design methods are becoming the most widely used methods for system design. The UML has become the standard language used in Object-oriented analysis and design. It is widely used for modeling software systems and is increasingly used for designing non-software systems and organizations. Object-oriented analysis and design applies object modeling techniques to analyze the requirements for a context (e. ... The Unified Modeling Language (UML) is a non-proprietary, object modeling and specification language used in software engineering. ... Object-oriented analysis and design applies object modeling techniques to analyze the requirements for a context (e. ...


Processes and methods

URDAD, the Use-case/responsibility driven analysis and design method provides an algorithmic process for designing a system in a way which encourages good design principles. URDAD (Use-Case Responsibility Driven Analysis and Design) is an iterative design process originating from Solms TCD. URDAD aims to encourage/generate a design which satisfies accepted criteria for good design including * good responsibility localization such that each object should has good cohesion and adheres to the single responsibility principle...



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Encyclopedia: Systems design (742 words)
Systems design is the process or art of defining the hardware and software architecture, components, modules, interfaces, and data for a computer system to satisfy specified requirements.
Systems theory is an interdisciplinary field which studies relationships of systems as a whole.
Object-oriented analysis and design methods are becoming the most widely used methods for system design.
  More results at FactBites »

 
 

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