BAC Systems Development Year 1 2014 - CASE Tools
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Questions and Answers

What is the main goal of Rapid Application Development (RAD)?

  • Focus solely on code generation
  • Radically decrease design and implementation time (correct)
  • Increase design and implementation time
  • Eliminate user involvement

    • What characterizes Service-Oriented Architecture (SOA)?

  • Predetermined and static system structures
  • Development of systems in isolation
  • Building systems by assembling software components (correct)
  • Focus exclusively on hardware integration

    • Which principle is NOT a key aspect of Agile Methodologies?

  • People rather than roles
  • Adaptive rather than predictive
  • Emphasis on documentation over communication (correct)
  • Self-adaptive processes

    • What major flaw do Agile Methodologies point out about traditional software development methodologies?

    <p>They generally do not fit with real-world software development.</p> Signup and view all the answers

    In RAD, which process illustrates its methodology?

    <p>Extensive user involvement and prototyping</p> Signup and view all the answers

    Which of the following is a feature of Agile Methodologies?

    <p>Fluid and adaptive processes</p> Signup and view all the answers

    What does the RAD lifecycle include as a key component?

    <p>Integrated CASE tools</p> Signup and view all the answers

    Why are software components significant in Service-Oriented Architecture (SOA)?

    <p>They model generic business functions.</p> Signup and view all the answers

    What is the primary role of a systems analyst within an organization?

    <p>To be responsible for analysis and design of information systems</p> Signup and view all the answers

    Which decade introduced the fourth generation languages (4GL) and CASE tools in systems development?

    <p>1980s</p> Signup and view all the answers

    Which of the following is NOT a feature emphasized in modern information systems analysis and design?

    <p>Developing manual processes for data handling</p> Signup and view all the answers

    What is the Systems Development Life Cycle (SDLC)?

    <p>A guideline for analyzing, designing, implementing, and maintaining information systems</p> Signup and view all the answers

    What characterizes the approach to systems analysis and design in the 1990s?

    <p>Focus on system integration and client/server platforms</p> Signup and view all the answers

    Which methodology is focused on rapid development through prototyping?

    <p>Rapid Application Development (RAD)</p> Signup and view all the answers

    Which process involves analyzing, designing, implementing, and maintaining information systems?

    <p>Systems Development Methodology</p> Signup and view all the answers

    In which era did system development begin to resemble an engineering discipline?

    <p>1970s</p> Signup and view all the answers

    What is the first phase of the Systems Development Life Cycle (SDLC)?

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

    Which phase focuses on transforming logical specifications into technology-specific details?

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

    In which phase of SDLC are system requirements studied and structured?

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

    What key activity occurs during the Implementation phase of SDLC?

    <p>Coding and testing the information system</p> Signup and view all the answers

    What is the main focus of the Maintenance phase in SDLC?

    <p>Systematically repairing and improving the system</p> Signup and view all the answers

    Which aspect is NOT part of the Design phase in SDLC?

    <p>Coding the system</p> Signup and view all the answers

    The iterative process combining analysis, design, and implementation is best described as what?

    <p>The analysis-design-code-test loop</p> Signup and view all the answers

    Which of the following describes the role of the Planning phase in SDLC?

    <p>To identify and arrange information system needs</p> Signup and view all the answers

    What characterizes the traditional Waterfall System Development Life Cycle (SDLC)?

    <p>Each phase begins only after the previous one is completed.</p> Signup and view all the answers

    Which of the following is a primary issue with the Waterfall approach?

    <p>Requirements are 'locked in' after determination.</p> Signup and view all the answers

    What is NOT an approach to improving development methodologies mentioned?

    <p>Waterfall Reengineering</p> Signup and view all the answers

    Which tool is used for creating graphical representations to help in system development?

    <p>Diagramming tools</p> Signup and view all the answers

    What functionality do analysis tools provide in the context of CASE tools?

    <p>Ensure consistency in diagrams and reports.</p> Signup and view all the answers

    Which of the following is NOT a function of CASE tools?

    <p>Performing market analysis.</p> Signup and view all the answers

    What is the main benefit of using code generators in software development?

    <p>They automate the creation of programs from design specifications.</p> Signup and view all the answers

    How do traditional milestone deadlines negatively impact development practices?

    <p>They can lead teams to prioritize speed over quality.</p> Signup and view all the answers

    When should Agile methodologies be used?

    <p>When customers are involved in the process</p> Signup and view all the answers

    Which of the following is a characteristic of eXtreme Programming?

    <p>Automated tests</p> Signup and view all the answers

    What is the purpose of inheritance in Object-Oriented Analysis and Design?

    <p>To allow subclasses to inherit properties from superclasses</p> Signup and view all the answers

    What is a key advantage of using eXtreme Programming?

    <p>High level of productivity</p> Signup and view all the answers

    Which phase is NOT part of the Rational Unified Process (RUP)?

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

    How are object classes defined in Object-Oriented Analysis and Design?

    <p>As logical groupings of objects sharing attributes and behaviors</p> Signup and view all the answers

    Which methodology focuses on creating software through rapid iterations and user feedback?

    <p>Agile Methodology</p> Signup and view all the answers

    What does the acronym SDLC stand for?

    <p>Software Development Life Cycle</p> Signup and view all the answers

    Study Notes

    CASE Tools

    • Utilize tools like IBM’s Rational Rose for class diagrams to visually represent system designs.
    • Facilitate consistent analysis and documentation through automated checking and standardization.

    Rapid Application Development (RAD)

    • Aims to significantly reduce design and implementation times.
    • Involves extensive user participation, including prototyping and Joint Application Development (JAD) sessions.

    Service-Oriented Architecture (SOA)

    • Facilitates system development through the use of reusable software components.
    • Emphasizes assembling components that model standardized business functions.

    Agile Methodologies

    • Reflects the need for flexibility in software development, recognizing its dynamic nature.
    • Focuses on adaptive processes, prioritizes individual team members over strict roles, and promotes self-organization.

    Challenges of Waterfall Model

    • Inflexibility in changing system requirements once defined.
    • Limited user involvement primarily restricted to the initial phases leads to potential misalignment with user needs.
    • Excessive focus on meeting deadlines can hinder sound development practices.

    Systems Development Life Cycle (SDLC)

    • Comprises several key phases: Planning, Analysis, Design, Implementation, and Maintenance.
    • Planning involves identifying and prioritizing organization's information needs.
    • Analysis consists of structuring system requirements comprehensively.
    • Historical evolution showcased a shift towards increasingly efficient and integrated systems development approaches:
      • 1950s focused on automation
      • 1960s saw the rise of third-generation languages (3GLs).
      • 1970s began the engineering discipline for system development.
      • 1980s introduced fourth-generation languages (4GLs) and CASE tools.
      • 1990s emphasized system integration and Internet applications.

    Object-Oriented Analysis and Design (OOAD)

    • Centers around representing real-world entities as objects combining attributes and behaviors.
    • Includes concepts like inheritance for class hierarchy and responsibilities sharing among classes.

    Rational Unified Process (RUP)

    • An iterative and incremental development methodology organized into four phases: Inception, Elaboration, Construction, and Transition.
    • Each phase involves separate iterations, enhancing adaptability and focus on specific goals.

    eXtreme Programming (XP)

    • Features short development cycles and emphasizes collaboration through paired programming.
    • Combines coding and testing seamlessly to ensure quality and facilitate communication.
    • Aims for high productivity and the delivery of high-quality software.

    Summary

    • The chapter outlines the critical elements of information systems analysis and design, with a focus on methodologies like RAD, SOA, Agile, and OOAD.
    • Highlights the evolution of practices over decades and the importance of adapting strategies to meet the changing landscape of software development.

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    Quiz Team

    Description

    This quiz focuses on CASE tools used in Systems Development as part of the BAC program for Year 1 in 2014. It emphasizes understanding class diagrams, specifically referencing IBM's Rational Rose. Engage with the content to reinforce your knowledge of systems development methodologies and tools.

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