System Analysis and Design Quiz
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Questions and Answers

What is the main focus of the Analysis phase in software engineering?

  • Describing the solution and how it will be provided
  • Understanding the application domain and what is required (correct)
  • Implementing the detailed design
  • Creating use case diagrams and class diagrams
  • Which diagram is primarily used to represent the dynamic behavior of a system in UML?

  • State Chart
  • Use Case Diagram
  • Activity Diagram (correct)
  • Class Diagram
  • What is the primary purpose of a flow of events in a process or use case?

  • To define the class structure of the system
  • To describe the sequence of steps in a use case (correct)
  • To represent the non-functional requirements
  • To implement detailed design
  • In which phase of the Software Development Life Cycle (SDLC) do the activities 'Requirements Elicitation' and 'System Design' take place?

    <p>Analysis</p> Signup and view all the answers

    Which type of model focuses on representing the structure and organization of the system's objects and their relationships?

    <p>Object Model</p> Signup and view all the answers

    What is the main purpose of a deployment diagram in UML?

    <p>To illustrate the components and their interrelationships within the system</p> Signup and view all the answers

    What is the main purpose of subsystem decomposition in system design?

    <p>To reduce system complexity while allowing change</p> Signup and view all the answers

    Which of the following is NOT an example of a non-functional requirement that can drive design goals?

    <p>Number of steps for a user function</p> Signup and view all the answers

    What is meant by the term 'robustness' in system design?

    <p>Maintaining system functions even if the user enters wrong input</p> Signup and view all the answers

    In the context of design trade-offs, which pair represents a common trade-off in system design?

    <p>Cost v. Functionality</p> Signup and view all the answers

    What is the primary purpose of identifying design goals?

    <p>To drive design decisions based on non-functional requirements</p> Signup and view all the answers

    What is one potential difficulty mentioned in the text about the design process?

    <p>Technological constraints driving the design</p> Signup and view all the answers

    What UML notation is commonly used to represent subsystems?

    <p>Packages or component</p> Signup and view all the answers

    What is the main purpose of concurrency control in system design?

    <p>To ensure that multiple processes do not interfere with each other</p> Signup and view all the answers

    'Availability' in the context of system design refers to:

    <p>The ratio of expected uptime to expected downtime</p> Signup and view all the answers

    What guideline should the designer follow when distributing classes on subsystems?

    <p>Low coupling</p> Signup and view all the answers

    Study Notes

    Analysis Phase

    • The main focus of the Analysis phase in software engineering is on understanding the problem domain and identifying the requirements of the system.

    UML Diagrams

    • The dynamic behavior of a system in UML is primarily represented using sequence diagrams or state machine diagrams.
    • Deployment diagrams are used to represent the physical deployment and configuration of system components.

    Process and Use Cases

    • The primary purpose of a flow of events in a process or use case is to describe the sequence of activities and interactions between actors and the system.

    SDLC Phases

    • The activities 'Requirements Elicitation' and 'System Design' take place in the Analysis and Design phases of the Software Development Life Cycle (SDLC), respectively.

    Modeling

    • A static model focuses on representing the structure and organization of the system's objects and their relationships.

    System Design

    • The main purpose of subsystem decomposition is to allocate system functionality and responsibilities to subsystems and components.
    • Robustness in system design refers to the ability of a system to continue functioning correctly even when errors or exceptions occur.
    • In the context of design trade-offs, a common trade-off is between functionality and performance.
    • Identifying design goals helps to define the desired properties and characteristics of the system.

    Design Process

    • One potential difficulty mentioned in the text about the design process is resolving conflicting design goals and trade-offs.

    UML Notation

    • UML notation commonly used to represent subsystems is packages.

    Concurrency Control

    • The main purpose of concurrency control in system design is to manage access to shared resources and ensure consistency and integrity.

    Design Guidelines

    • Availability in the context of system design refers to the ability of a system to be accessed and used when needed.
    • When distributing classes on subsystems, the designer should follow the guideline of grouping related classes together to minimize dependencies and improve cohesion.

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    Description

    Test your knowledge of system analysis and design concepts including use case diagrams, class diagrams, state charts, activity diagrams, and other related topics.

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