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1.What is diagram consistent? -In your design, you must make sure the Use Case diagram, Sequence Diagram, Class Diagram, Object Diagram are consisted together 2.Elements to Be Consisted -All the methods/use cases in these diagrams must be matched in the quantity and name. Any addition or remove of a method/use case in a diagram will…
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1. Data source ——- Data source: Wrong 2. Data store ——- Data store: Wrong 3. Data source ——- Data store: Wrong 4. A processing step may have input flows but no output flows. This situation is sometimes called a black hole. 5. A processing step may have output flows but now input flows. This situation…
1.What is the DFD Level 0 Diagram? -In this diagram, the system will be divided into processes as 1.0 2.0 3.0 4.0 5.0 -In the level 0 diagram, we will visualize the data flow between the data sources, data stores and processes 2.Element of Level 0 Diagram 2.1 Data Source -The data source is visualized…
1.What is the DFD Context Diagram? -This is the first level of the DFD. -In the context diagram, we just visualize the data flow between the data source and the system (0) 2.Element of DFD Context Diagram 2.1 The System -The system is visualized as rounded rectangle -We have the number 0 denoted on the…
1.What is Data Flow Diagram DFD? Data flow diagram is the diagram to visualize the flow of data from data source, data store and processes. 2.What are sub levels of Data Flow Diagram? 2.1 Context Diagram -This is the first level of the DFD. -In the context diagram, we just visualize the data flow between…
1.What is the State Machine Diagram? -Each of object in the Class Diagram has an state diagram -The state diagram is the sequence of state to describe on the changing of state of an object. For example, object seat can change from state available to hold, from hold to released, from hold to sold. -The…
1.What is the Activity Diagram? -Each of use case in the Use Case Diagram has an activity diagram -The activity diagram is the sequence of actions to complete a use case -The activity diagram is usually visualize as a vertical model. The diagram has start point and end point. Each of activity is denoted in…
1.What is the Object Diagram? -The object diagram is the diagram consist of objects of classes in the class diagram. Then, the object diagram will visualize on how these objects are interacted with each others in the system. 2.Element of Object Diagram 2.1 Object -The object with three parts as object name, variable and method….
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