Podcast
Questions and Answers
What is a primary use of data-flow models?
What is a primary use of data-flow models?
- To track and document how data moves through a system (correct)
- To create class diagrams
- To model use cases
- To create sequence diagrams
What type of diagram is most concerned with showing how data moves through a system?
What type of diagram is most concerned with showing how data moves through a system?
- Use Case Diagram
- Data-flow Diagram (correct)
- Class Diagram
- Sequence Diagram
Which of the following types of diagrams is NOT primarily focused on data movement?
Which of the following types of diagrams is NOT primarily focused on data movement?
- Sequence Diagram
- Data-flow Diagram
- Use Case Diagram
- Class Diagram (correct)
What is NOT a primary benefit of using data-flow models?
What is NOT a primary benefit of using data-flow models?
Which type of diagram is more focused on the sequence of events than data movement?
Which type of diagram is more focused on the sequence of events than data movement?
What type of diagram illustrates the reaction of a system to internal and external events?
What type of diagram illustrates the reaction of a system to internal and external events?
Which type of diagram is used to show the processing steps in a system?
Which type of diagram is used to show the processing steps in a system?
What is the primary focus of a State Diagram?
What is the primary focus of a State Diagram?
Which type of diagram is not primarily used to model the behavior of a system?
Which type of diagram is not primarily used to model the behavior of a system?
What is the primary purpose of a Data-flow Diagram?
What is the primary purpose of a Data-flow Diagram?
What type of diagram shows interactions between actors and the system?
What type of diagram shows interactions between actors and the system?
Which diagram is not primarily used to model interactions between system components?
Which diagram is not primarily used to model interactions between system components?
What is the main focus of a sequence diagram?
What is the main focus of a sequence diagram?
Which type of diagram is most similar to a sequence diagram?
Which type of diagram is most similar to a sequence diagram?
What is NOT a type of diagram that shows interactions between system components?
What is NOT a type of diagram that shows interactions between system components?
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Study Notes
Data-Flow Models
- Data-flow models are useful for tracking and documenting how data associated with a particular process moves through the system.
- Data-flow models help in understanding how the system reacts to internal and external events.
Data-Driven Modeling
- Data-flow diagrams (DFDs) are used to illustrate the processing steps in a system.
- Sequence diagrams are used to show interactions between actors and the system, as well as between system components.
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