Introduction to Software Architecture and Design
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Questions and Answers

What does a context diagram primarily illustrate?

  • The system's interactions with its environment (correct)
  • The internal components of the system
  • The financial aspects of the system management
  • The step-by-step process of system design

    • What is one primary benefit of software design?

  • Reducing development time by half
  • Maximizing profits for stakeholders
  • Eliminating the need for teamwork
  • Mitigating risks associated with development (correct)

    • Which design strategy focuses on breaking down a problem into smaller parts?

  • Decompositional design (correct)
  • Incremental design
  • Template-based design
  • Compositional design

    • In the context diagram provided, what does the 'System' send to users?

    <p>Email notifications</p> Signup and view all the answers

    Which of the following best describes software engineering?

    <p>Solving customer problems through systematic development</p> Signup and view all the answers

    What is included in the IEEE definition of software design?

    <p>The architecture, components, interfaces, and other characteristics of the system</p> Signup and view all the answers

    What is meant by the term 'black-box' in a context diagram?

    <p>It indicates a focus on inputs and outputs rather than internal workings</p> Signup and view all the answers

    What component of the context diagram allows users to submit their course registration requests?

    <p>UI Device</p> Signup and view all the answers

    Which alternative focuses on selecting the option that best meets user requirements?

    <p>Choice of the alternative</p> Signup and view all the answers

    Which of the following represents a design strategy that utilizes existing templates?

    <p>Template-based design</p> Signup and view all the answers

    How does design help with software evolution?

    <p>By providing a framework for systematic updates</p> Signup and view all the answers

    What is primarily transformed during the software design process?

    <p>Problems into solutions</p> Signup and view all the answers

    The flow of data between the environment and the system is depicted with which element of the context diagram?

    <p>Data-flows</p> Signup and view all the answers

    Which of the following is NOT a key risk in software engineering?

    <p>Creating unnecessary documentation</p> Signup and view all the answers

    Which statement best summarizes the purpose of design in software development?

    <p>To provide tools for building the right software for its intended purpose</p> Signup and view all the answers

    What is NOT a characteristic of a well-designed software system?

    <p>Complete independence from user needs</p> Signup and view all the answers

    What is the primary purpose of abstract representations in design?

    <p>To simplify complex problems</p> Signup and view all the answers

    Which statement best describes a use case?

    <p>A scenario involving interaction between an actor and a system</p> Signup and view all the answers

    What does Lehman's law of evolution state about software systems?

    <p>Software systems become less satisfying unless adapted</p> Signup and view all the answers

    Which of the following is a non-functional requirement for the Online Bookstore application?

    <p>Ensure confidentiality of customer data</p> Signup and view all the answers

    What step does NOT belong to the Software Design Process?

    <p>Implementation of marketing strategies</p> Signup and view all the answers

    During the use case 'Browse Catalog', what happens if no books match the search criteria?

    <p>The system displays a notification and prompts for new criteria</p> Signup and view all the answers

    What is the consequence of not reducing complexity in software systems according to Lehman's law?

    <p>The software becomes progressively more complex</p> Signup and view all the answers

    What information does an Administrator need to add books to the store?

    <p>Relevant book details</p> Signup and view all the answers

    What is the primary purpose of modeling in design?

    <p>To capture ideas and validate them</p> Signup and view all the answers

    Which view focuses on the organization of systems into modules and relations?

    <p>Module View</p> Signup and view all the answers

    What is a disadvantage of the Big Design Up Front (BDUF) approach?

    <p>Might produce excessive documentation</p> Signup and view all the answers

    What is NOT included in the architectural design significant requirements?

    <p>Design Aesthetics</p> Signup and view all the answers

    What type of design focuses on the runtime behavior of a system?

    <p>Concurrency Design</p> Signup and view all the answers

    Which diagram type is typically associated with the Module View?

    <p>Component Diagram</p> Signup and view all the answers

    What does the Deployment View emphasize in system architecture?

    <p>Physical and virtual topology</p> Signup and view all the answers

    What core aspect of Clean Architecture supports system evolution?

    <p>Modular Structure</p> Signup and view all the answers

    Study Notes

    Introduction to Software Architecture and Design

    • Software engineering is about solving problems by designing and developing software systems.
    • The goal of software engineering is to build high-quality systems within cost, time, and other constraints.
    • Software systems require design to mitigate risks and ensure quality.

    Key Design Risks

    • Understanding problems effectively
    • Managing complex systems
    • Ensuring quality for diverse aspects like performance, security, and maintainability
    • Facilitating teamwork and collaboration
    • Adapting to changing requirements and evolving systems over time

    Definition of Design

    • Design is the process of transforming a problem into a solution.
    • Software design focuses on defining the structure, components, interfaces, and other characteristics of the system.

    Purpose of Design

    • Design provides tools to build the right software for its intended purpose.
    • Design helps manage complexity and ensure a software system can evolve smoothly over time.

    Design Activities

    • Design produces abstract representations that aid in managing complexity.
    • Design helps evaluate alternative construction approaches and ensure requirements are met.
    • Design assists in assessing the feasibility of implementing a solution.

    Design Process

    • The design process begins with understanding the problem, including requirements, constraints, and objectives.
    • Alternatives are then explored, examined, and evaluated to find the best solutions.
    • The design process involves postulation, representation, and elaboration phases.

    System Context Diagram

    • The system context diagram provides a high-level view of the system's place within its environment.
    • It shows the system as a black box, highlighting its interactions with other systems and data flows.

    Design Strategies

    • Decompositional strategies break down the problem into smaller, more manageable sub-problems.
    • Compositional strategies assemble the solution by combining existing components or building blocks.
    • Template-based strategies utilize predefined patterns to guide the design process.

    Design Representation

    • Design decisions are represented through code, text, modeling languages, or other means.

    Purpose of Modeling

    • Models are used to capture ideas, manage complexity, facilitate communication, validate design choices, and track progress.

    Architectural Design

    • Architectural design focuses on fundamental structural aspects of the system to address significant requirements and design decisions.
    • It involves multiple views, including the module view, concurrency view, and deployment view.

    Module View

    • This view organizes system elements into modules, like subsystems, layers, components, and classes.
    • It focuses on decomposition, relationships, and concerns related to modifiability, testability, and scheduling.

    Concurrency View

    • This view examines the runtime aspects of the system, including processes, threads, services, and communication mechanisms.
    • It addresses considerations related to integrity, fault tolerance, and performance.

    Deployment View

    • This view details system topology and deployment, mapping systems to physical or virtual nodes.
    • It focuses on aspects like availability, reliability, performance, and scalability.

    Design Approaches

    • Big Design Up Front (BDUF) involves a significant upfront investment in design.
    • While BDUF can help identify issues before implementation, it risks committing to design decisions too early and producing overly detailed documentation.

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    Related Documents

    Introduction.pdf

    Description

    This quiz explores the principles of software engineering, focusing on the significance of design in creating high-quality software systems. It delves into key design risks and the fundamental purpose of design in software development. Test your knowledge on how to mitigate risks and ensure quality in software architecture.

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