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Milav Dabgar
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Milav Dabgar
Experienced lecturer in the electrical and electronic manufacturing industry. Skilled in Embedded Systems, Image Processing, Data Science, MATLAB, Python, STM32. Strong education professional with a Master’s degree in Communication Systems Engineering from L.D. College of Engineering - Ahmedabad.
Lecture 11: Requirement Gathering and Analysis

Lecture 11: Requirement Gathering and Analysis

Unit 3: Requirement Analysis and Design (4353202)

Lecture Agenda

  • Recap of Unit 2
  • What are Requirements?
  • The Importance of Requirement Gathering
  • Requirement Gathering Techniques
  • Requirement Analysis
  • Key Takeaways

Recap of Unit 2

We explored various SDLC models, including Waterfall, Incremental, Prototype, Spiral, RAD, and Agile frameworks like XP and Scrum. Each model offers a different approach to managing the software development process.

What are Requirements?

A requirement is a statement of what a system must do or a quality it must have. It is a condition or capability needed by a user to solve a problem or achieve an objective.

Requirements form the basis for all development and testing activities.

The Importance of Requirement Gathering

  • Ensures the final product meets the customer's needs.
  • Reduces the risk of project failure.
  • Provides a basis for project planning, estimation, and scheduling.
  • Helps in identifying and resolving conflicts early in the development cycle.
  • Forms the foundation for system design and testing.

Requirement Gathering Techniques

  • Interviews: One-on-one discussions with stakeholders to gather detailed information.
  • Surveys/Questionnaires: Collecting information from a large number of people.
  • Workshops: Bringing stakeholders together to collaborate and define requirements.
  • Observation (Shadowing): Watching users perform their tasks to understand their workflow and needs.
  • Document Analysis: Reviewing existing documentation to extract relevant information.
  • Prototyping: Creating a working model of the system to get feedback.
  • Brainstorming: A group creativity technique to generate ideas.

Requirement Analysis

Requirement analysis is the process of studying and analyzing the gathered requirements to ensure they are complete, consistent, and unambiguous.

Activities in Requirement Analysis:

  • Categorizing requirements: Grouping requirements into logical categories (e.g., functional, non-functional).
  • Prioritizing requirements: Determining the importance of each requirement.
  • Identifying and resolving conflicts: Finding and fixing contradictory requirements.
  • Modeling requirements: Creating diagrams and models (like use cases) to represent the requirements visually.

Key Takeaways

  • **Requirements** are the foundation of any successful software project.
  • **Requirement gathering** is the process of collecting these requirements from stakeholders.
  • A variety of **techniques** can be used for requirement gathering.
  • **Requirement analysis** is crucial for ensuring the quality and feasibility of the requirements.

Next Lecture

Topic: Software Requirement Specification (SRS)

Q & A

Questions & Discussion