Requirements Determination and UML Modeling

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Questions and Answers

During which phase of software development is the 'Requirements Determination' process primarily conducted?

  • Planning
  • Design
  • Analysis (correct)
  • Implementation

What is the primary role of a Systems Analyst in the context of 'Requirements Determination'?

  • Gathering, analyzing, and modelling user needs. (correct)
  • Writing code for the software application
  • Managing the project timeline and budget
  • Testing the software for bugs and errors

Which of the following best describes the purpose of 'Requirements Determination' in software development?

  • To deploy the software to the end-users
  • To write the program code according to the design specifications
  • To test the software and ensure it meets quality standards
  • To identify and document the needs and constraints of the software system (correct)

Which of the following is an example of a functional requirement for an e-commerce website?

<p>The website should allow users to add items to a shopping cart and proceed to checkout (D)</p> Signup and view all the answers

Which of the following is an example of a non-functional security requirement?

<p>The system should encrypt sensitive data to protect it from unauthorized access. (D)</p> Signup and view all the answers

What is the purpose of a 'Requirements Definition Report?'

<p>To document the complete set of requirements for the project (B)</p> Signup and view all the answers

Which standards organization provides templates for documenting software requirements?

<p>IEEE (A)</p> Signup and view all the answers

What is the first step in conducting interviews for requirements gathering?

<p>Select interviewees (A)</p> Signup and view all the answers

Which of the following is a key benefit of using JAD (Joint Application Development) sessions for requirements gathering?

<p>Increased stakeholder involvement and collaboration (A)</p> Signup and view all the answers

In the context of requirements gathering using questionnaires, what is the next step after designing the questionnaire?

<p>Administer the questionnaire (D)</p> Signup and view all the answers

When using document analysis for requirements gathering, what is the primary activity performed?

<p>Analyzing existing documents to extract relevant information (D)</p> Signup and view all the answers

Which activity comes directly after 'Observe' in the 'Observation' technique for gathering requirements?

<p>Take notes (D)</p> Signup and view all the answers

What is the main focus when using observation as a requirements-gathering technique?

<p>Directly watching users interact with a system or process (D)</p> Signup and view all the answers

A project team is developing a new system for a library. Which of the following would be considered a functional requirement?

<p>The system should allow patrons to search for books by title, author, or ISBN (B)</p> Signup and view all the answers

A software development team uses JAD sessions to gather requirements for a new inventory management system. Which of the following best describes the role of the facilitator in these sessions?

<p>To lead the discussion, manage conflicts, and ensure all stakeholders have a chance to contribute. (C)</p> Signup and view all the answers

Which of the following is a primary advantage of using questionnaires for requirements gathering compared to conducting individual interviews?

<p>Questionnaires enable gathering data from a larger audience in a shorter amount of time. (D)</p> Signup and view all the answers

During requirements gathering for a hospital's new patient management system, the team decides to use document analysis Which of the following documents would be most relevant to analyze?

<p>Existing patient record forms and workflow diagrams (A)</p> Signup and view all the answers

A software development team is creating a new mobile application. Which of the following is least likely to be gathered through direct observation?

<p>Database schema for storing user data (D)</p> Signup and view all the answers

A company is developing a new e-learning platform. Which of the following steps in requirements determination involves creating a visual representation of how users will navigate and interact with the system?

<p>Model the user needs (A)</p> Signup and view all the answers

Which of the following best describes 'Requirements Definition Report'?

<p>A detailed specification of the system's functionalities, performance criteria, and constraints. (B)</p> Signup and view all the answers

Flashcards

Requirements Determination

The act of determining, documenting, and managing the needs and requirements of stakeholders to meet project objectives.

Functional Requirements

Specifications that describe what the system should do, focusing on features and functions.

Non-Functional Requirements

Specifications that describe how the system should perform, focusing on qualities like security and performance.

Interviews

A method for gathering requirements by directly asking stakeholders questions.

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JAD Session

A group-based method where stakeholders collaborate to define requirements.

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Questionnaires

A method for gathering requirements using a set of questions distributed to stakeholders.

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Document Analysis

A method for gathering requirements by examining existing documentation and systems.

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Observation

A method for gathering requirements by watching users interact with a system or perform tasks.

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Study Notes

Topics Covered

  • Requirements Determination
  • Requirements-Gathering Techniques
  • Requirement Analysis
  • Modeling with Unified Modeling Language (UML)

Requirements Determination

  • It includes gathering requirements, analyzing requirements, modeling the user needs, and creating system blueprints
  • There are functional and non-functional requirements

Functional Requirements

  • Examples of specifying that a customer can search for an item by typing a keyword in a search box
  • Examples of specifying that the system can generate financial statements
  • Examples of specifying that the administrator shall be able to add a new user

Non-Functional Requirements

  • Operational, performance, security, and cultural/political considerations

Requirements Definition Report

  • Gathers requirements and then analyzes requirements
  • A model of requirements is created, and subsequently a requirements specification report
  • This is done by systems analysts or project teams

Requirements Determination Outline Components

  • Revision History
  • Introduction, with document purpose, scope, product overview, and definitions
  • References
  • Specific Requirements, containing functional and non-functional subsections with operational, performance, security, and cultural subsections
  • Verification
  • Appendices

Requirements-Gathering Techniques

  • Commonly used techniques include interviews, JAD sessions, questionnaires, document analysis, and observation

Interviews

  • Interview steps are to select interviewees, design interview questions, prepare for the interview, conduct the interviews, and create post-interview follow-ups

JAD Session

  • Joint Application Development session steps are to select participants, design session, prepare for the session, conduct the session, and create a post-JAD follow-up

Questionnaires

  • Questionnaire steps are to select participants, design the questionnaire, administer the questionnaire, and do a questionnaire follow-up

Document Analysis

  • This technique involves analyzing documents of the current system and interpreting/creating a report based on them

Observation

  • Observation involves watching users and their behaviors, taking notes, and analyzing those behaviors

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