system

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1. Class stereotypes which is applied by default with the Analysis Model template. The stereotypes roughly correspond to the parts of the Model-View-Controller (MVC) design pattern, where Boundary represents View, Entity corresponds to the Model and Control is Controller. Boundary class is a stereotyped class or object that represents some system boundary which is user interface screen, system interface or device interface object. Besides that it could be used in the analysis or conceptual phase of development to capture users or external systems interacting with the system under development. It is often used in sequence diagrams which demonstrate user interactions with the system. Next is entity class which is a stereotyped class or object that represents some information or data, usually but not necessarily persistent. Entity also drawn as a circle with line attached to the bottom of the circle. The last one is control class; control is a stereotyped class or object that is used to model flow of control or some coordination in behavior. One or several control classes could describe use case realization. System controls represent the dynamics of the designed system and usually describe some "business logic". Control is drawn as a circle with embedded arrow on the top. 2. Systems requirement is gather information on what system should do from many sources. Methods in collecting or determining system requirements which is traditional method and modern method and five main approaches for determining systems requirements. Traditional method has 5; questionnaires, interviewing, interview in groups, direct observations and documents. A questionnaire is more cost-effective than interviews and can be administered over the pho... ... middle of paper ... ...nts captured, even in a medium sized project can be burdensome to manage and evaluate with the client team. To aid in this process, the requirements should be specified in a uniform, structured way for ease of management and evaluation. For non-functional requirement, it has platform requirement. Platform requirement is to support the solution should be specified. It is anticipated that in many cases the solution will be an extension of an existing IT Service and so the technology platform requirements will already be known. Prevailing IT Architecture standards should also be considered during this activity. The last one is process requirements. It Specific methods used during process control to ensure that a finished product meets product requirements. Understanding product requirements and process requirements helps to prevent the occurrence of coating defects.

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