SDLC Flashcards
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Questions and Answers

What exactly is the SDLC?

The systems development life cycle (SDLC) is a conceptual model used in project management that describes the stages involved in an information system development project, from an initial feasibility study through maintenance of the completed application.

What are the four fundamental phases of the SDLC?

  • Implementation (correct)
  • Design (correct)
  • Analysis (correct)
  • Planning (correct)

    • Each of the _____ include a set of ______, which rely on techniques that produce specific document files that provide _____ about the project.

    phases, steps, understanding

    To understand the SDLC, what does each phase consist of?

    <p>Each phase consists of steps that lead to specific deliverables.</p> Signup and view all the answers

    What is the fundamental process of Phase I: Planning?

    <p>Understanding why an information system should be built.</p> Signup and view all the answers

    What are the two planning steps in Phase I?

    <p>Create a work plan</p> Signup and view all the answers

    What questions does Phase II: Analysis answer?

    <p>Who will use the system, what the system will do, and where and when it will be used.</p> Signup and view all the answers

    What are the three analysis steps in Phase II?

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

    What is the purpose of the system proposal?

    <p>The proposal is presented to the project sponsor and key individuals to decide if the project should continue.</p> Signup and view all the answers

    What happens during Phase III: Design?

    <p>It is decided how the system will operate, including hardware, software, and network infrastructure.</p> Signup and view all the answers

    What are the five design steps?

    <p>Architecture design</p> Signup and view all the answers

    What occurs during Phase IV: Implementation?

    <p>The system is either developed or purchased, and this phase is usually the longest and most expensive part.</p> Signup and view all the answers

    What are the three implementation steps?

    <p>Support plan</p> Signup and view all the answers

    What is a methodology in the context of SDLC?

    <p>A formalized approach to implementing the SDLC.</p> Signup and view all the answers

    What is the focus of process-centered methodologies?

    <p>Defining the activities associated with the system and representing it as a set of processes.</p> Signup and view all the answers

    What do data-centered methodologies emphasize?

    <p>Defining the content of the data storage containers and how they are organized.</p> Signup and view all the answers

    Study Notes

    Overview of SDLC

    • The Systems Development Life Cycle (SDLC) is a project management model outlining stages in an information system development project.
    • Stages include initial feasibility study and maintenance of the finished application.

    Phases of the SDLC

    • Composed of four core phases: Planning, Analysis, Design, and Implementation.
    • Each phase comprises steps that yield specific deliverables, aiding in the project's understanding and management.

    Planning Phase

    • Key process to establish the necessity of an information system.
    • Two main steps:
      • Project initiation: Identify the system's business value (cost reduction or revenue increase).
      • Project management: Create work plans, assemble the team, and implement project control techniques.

    Analysis Phase

    • Addresses who will use the system, its functions, and deployment specifics.
    • Involves investigating current systems, pinpointing improvement areas, and developing new system concepts.
    • Contains three steps:
      • Analysis strategy.
      • Requirements gathering: Leads to the development of analysis models for the new system.
      • System proposal: Initial deliverable outlining business requirements for the new system.

    Design Phase

    • Defines operational aspects such as hardware, software, network infrastructure, user interfaces, and databases.
    • Involves five steps:
      • Design Strategy.
      • Architecture Design.
      • Database and File Specifications.
      • Program Design.

    Implementation Phase

    • Focuses on system development or procurement, often the most time-consuming and costly phase.
    • Includes three steps:
      • System Construction: Building and testing the system to ensure functionality.
      • Installation: Preparing to support the newly installed system.
      • Support Plan: Incorporates a post-implementation review to assess effectiveness.

    System Development Methodologies

    • Formalized approaches for implementing SDLC that vary based on emphasis (business processes vs. supporting data).

    Methodological Focus

    • Process-centered Methodologies emphasize activity definition and system representation as a set of processes with data flow.
    • Data-centered Methodologies focus on organizers of data storage and content structuring.

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    Description

    This quiz provides an overview of the Systems Development Life Cycle (SDLC) and its fundamental phases. Learn about the key stages involved in developing an information system, from planning to implementation. Perfect for students and professionals interested in project management and system development.

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