ACS2913 Use Case Documentation & Modeling
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Questions and Answers

What is the primary purpose of a brief use case description?

  • To define the specific technical implementation details for a specific use case.
  • To illustrate the interactions between users and the system using visual diagrams.
  • To provide a detailed and comprehensive account of all system functionality.
  • To summarize the main steps and data affected in a use case in a concise manner. (correct)

    • Which of the following is NOT typically included in a brief use case description?

  • The intended action of the user.
  • The data that is affected internally.
  • The actor performing the action.
  • The technical details of system implementation. (correct)

    • What is the term used for an end user in Unified Modeling Language (UML)?

  • Actor (correct)
  • Operator
  • Administrator
  • User

    • What does the automation boundary represent in a use case diagram?

    <p>The separation between the computerized part of the application and the users. (A)</p> Signup and view all the answers

    What is the standard for diagrams and terminology used in developing information systems?

    <p>Unified Modeling Language (UML) (D)</p> Signup and view all the answers

    Which of the following is the most accurate description of a use case diagram?

    <p>A graphical representation of actors, use cases, and their relationships. (B)</p> Signup and view all the answers

    Why is it important to create use case diagrams for each subsystem?

    <p>To understand and model the specific functionalities of each part of the system. (B)</p> Signup and view all the answers

    According to the content, what is the purpose of documenting use cases?

    <p>To capture and analyze the user's requirements for system functionality. (B)</p> Signup and view all the answers

    What is the primary purpose of the 'include' relationship in use case diagrams?

    <p>To simplify large use cases by extracting common functionalities. (C)</p> Signup and view all the answers

    In the example of 'Make a Purchase' and 'View Shopping Cart' use cases, why is 'Calculate Total Price' included as a separate use case?

    <p>To avoid repeating the same functionality in both use cases. (B)</p> Signup and view all the answers

    How is the 'include' relationship visually represented in a use case diagram?

    <p>A dashed arrow with an open arrowhead pointing from the including use case to the included use case, labeled 'include'. (B)</p> Signup and view all the answers

    Which of these use cases is likely to be included within the 'Checkout' use case, based on the given examples?

    <p>All of the above (D)</p> Signup and view all the answers

    Which of the following is NOT a valid reason for using the 'include' relationship in use case diagrams?

    <p>To illustrate the dependencies between different actors in the system. (D)</p> Signup and view all the answers

    The 'include' relationship is a way to modularize and reuse common functionalities across different use cases. What other aspect of the use case diagram's purpose does this illustrate?

    <p>All of the above (D)</p> Signup and view all the answers

    Based on the examples provided in the content, which of these use cases would most likely be included in the 'View Shopping Cart' use case?

    <p>Calculate Total Price (B)</p> Signup and view all the answers

    Flashcards

    Use Case

    A description of how users interact with a system to achieve a goal.

    Brief Use Case Description

    A one-sentence description highlighting main steps in a use case.

    UML

    Unified Modeling Language; standard for diagramming information systems.

    Actor

    An end user in a use case, represented in UML diagrams.

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    Automation Boundary

    The line separating the computerized system from users.

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    Use Case Diagram

    A UML model that graphically represents use cases and actor relationships.

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    Subsystem

    A smaller system within a larger system, often documented with use cases.

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    Fully Developed Use Case

    A detailed description of a use case, elaborating all aspects and scenarios.

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    Diagram

    A visual representation of use cases and actors in a system.

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    Include Relationship

    A way to modularize and reuse common functionalities in use cases.

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    Main Use Case

    Primary functionalities represented in a system, like 'Make a Purchase'.

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    Common Functionality

    Shared actions used by multiple main use cases.

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    Dashed Arrow in Diagrams

    Indicates an 'include' relationship between use cases.

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    Subroutine

    A sequence of code designed to perform a specific task within a program.

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    Study Notes

    Software Requirements Analysis and Design - Use Case Documentation and Modeling

    • The course ACS2913 covers Software Requirements Analysis and Design, focusing on use case documentation and modeling.
    • Use case descriptions are brief, one-sentence summaries of the main steps within a use case.
    • Use cases provide detailed descriptions of how users interact with the system.
    • These detailed descriptions will be covered later in the course.
    • Use case descriptions detail the user's actions and the internal system effects.

    Use Case Diagrams

    • Use case diagrams are UML models graphically representing use cases and their links to actors.
    • UML stands for Unified Modeling Language, the standard for diagrams and terminology used in information systems development.
    • An actor represents an end-user.
    • Automation boundary defines the system's computerized section, separating it from the users.

    Use Case Diagram Symbols

    • Actors are depicted as stick figures, representing actual people interacting with the system.
    • Connecting lines show which actors are involved in specific use cases.
    • Rectangles represent the system's automated boundaries.

    Use Case Diagrams Draw for Each Subsystem

    • Draw a use case diagram for each subsystem.
    • Actors: Customer, Customer service representative, Store sales representative, Management, and other relevant roles.

    Include Relationship

    • The <> relationship in a use case diagram is a way to reuse common functionalities across different use cases.
    • It's a way of modularizing and simplifying the design.
    • Example: For both "Make a Purchase" and "View Shopping Cart" use cases, the "Calculate Total Price" use case can be included to avoid duplication.

    More <> Examples

    • Checkout use case consists of several use cases such as Scan Item, Calculate Total & Tax, and Payment.
    • Deposit Funds and Withdraw Cash have Customer Authentication as a included use case.

    Use Case Diagrams: Steps

    • To create a use case diagram, identify all stakeholders and users.
    • Determine what each stakeholder or user needs to review in a use case diagram: each subsystem, for each type of user, relevant use cases
    • Select relevant use cases and actors and draw the use case diagram for communication needs
    • Draw the use case diagram, carefully naming each element.
    • Specify how and when to review the use case diagram with stakeholders and users.

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    Software Requirements Analysis and Design ACS2913 PDF

    Description

    This quiz focuses on the key concepts of use case documentation and modeling as outlined in course ACS2913. Explore how use cases detail user interactions with systems and the significance of use case diagrams in representing these interactions graphically. Test your understanding of the terminology and symbols used in UML for effective software requirements analysis.

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