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Interactive Audio Lesson
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Understanding Business Requirements
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Today, we will explore Business Requirements. Can anyone tell me what they are?
Are they the reasons why a project is started?
Exactly! Business Requirements articulate the high-level needs of an organization. Remember the acronym 'GOAL' which stands for Goals, Objectives, Alignment, and Launch to help you recall their purpose.
Can you give an example?
Certainly! An example would be 'Increase online sales by 20%' in the next six months. This shows a clear strategic goal for the business.
What document captures these requirements?
Good question! Business Requirements are documented in the Business Requirements Document (BRD) among other deliverables. Let's summarize: Business Requirements define *why* a project is initiated and are strategic in nature.
Exploring Stakeholder Requirements
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Now, let's dive into Stakeholder Requirements. Can anyone explain what these are?
Are they the needs of people who will use the system?
Exactly! Stakeholder Requirements represent the needs of users and individuals influenced by the project. Think of the phrase 'USER NEEDS: Who needs what?'
Can you give us some examples?
Sure! A customer wanting to track their order status in real-time is one example. Remember that these requirements bridge the gap between business and functional requirements.
How do we document these?
Great question! We use tools like Stakeholder Matrices and Personas to represent these requirements clearly and effectively.
Functional Requirements Overview
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Next up are Functional Requirements. Who can explain what these entail?
Do they specify what the system should do?
Correct! Functional Requirements focus on specific actions the system must perform. An easy way to remember this is 'WHAT does the system do?'
Can you provide examples?
Yes! For example, 'The system shall allow users to reset their passwords' or 'Users can filter products by category and price.' These requirements should be measurable.
What documents are produced from these?
Functional Requirements are captured in the Functional Requirements Specification (FRS) and user stories. Remember, they connect stakeholder needs to system features!
Understanding Non-Functional Requirements
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Finally, letβs look at Non-Functional Requirements, also known as NFRs. Who can define this?
Aren't they about how the system performs rather than what it does?
That's right! NFRs focus on performance, security, usability, and other quality attributes. Remember the acronym 'PURS' for Performance, Usability, Reliability, and Security to help you remember this type.
What is an example of this?
An example would be 'The system should load in under 2 seconds.' NFRs determine how well the system meets functional requirements.
How do we ensure they are included?
NFRs are elicited through stakeholder interviews and must be documented meticulously to ensure they are testable. Let's recap: NFRs address *how well* the system performs its functions.
Summary and Integration of Requirements
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To summarize, we've discussed Business, Stakeholder, Functional, and Non-Functional Requirements today. Why is it critical to keep them aligned?
So that all project aspects meet organizational goals and user needs?
Exactly! Maintaining alignment ensures project relevance and clarity throughout the SDLC. Can you summarize what each requirement answers?
Business answers *why*, Stakeholder addresses *who needs what*, Functional concerns *what the system does*, and Non-Functional looks at *how well it performs*.
Great job! Always remember to document requirements clearly to facilitate communication and project success.
Introduction & Overview
Read a summary of the section's main ideas. Choose from Basic, Medium, or Detailed.
Quick Overview
Standard
The Comparison Summary distinguishes four main types of requirementsβBusiness, Stakeholder, Functional, and Non-Functionalβeach addressing different aspects of project initiation, user needs, system functionality, and system qualities. This helps ensure comprehensive requirement documentation.
Detailed
Comparison Summary
Understanding the types of requirements is crucial for Business Analysts (BAs) as they guide the development process and ensure that solutions align with organizational goals. The following categories summarize the requirements:
- Business Requirements address the high-level organizational needs that justify a project. They answer why a project is initiated with strategic goals.
- Stakeholder Requirements reflect the needs of individual users or groups impacted by the project. They provide clarity on who needs what.
- Functional Requirements define what the system does, providing detailed descriptions of its behavior and features necessary for satisfying stakeholder needs.
- Non-Functional Requirements (NFRs) focus on how well the system should perform, addressing qualities such as performance, security, and usability.
In summary, this comparison helps maintain alignment, relevance, and clarity in both project objectives and deliverables throughout the Software Development Life Cycle (SDLC).
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Requirement Types Comparison
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Type of Focus Area | Answered Example
Requirement Question |
Business | Strategic | Why? | "Increase online sales by 20%"
Stakeholder | User Needs | Who needs what? | "Customer wants real-time order tracking"
Functional | System Features | What? | "Allow user to reset password"
Non-functional | System Qualities | How well? | "System must respond within 2 seconds"
Detailed Explanation
This chunk compares the various types of requirements that a Business Analyst must consider. It organizes them into categories based on the focus area of the requirements. Each type is paired with the specific questions they aim to answer.
- Business Requirements are strategic and answer 'Why?'βthey focus on the overall goals of the business, like increasing sales.
- Stakeholder Requirements focus on 'Who needs what?'βthey consider the needs of specific users or stakeholders.
- Functional Requirements answer 'What?'βlaying out the actions the system must take, such as allowing a user to perform a specific task like resetting their password.
- Non-functional Requirements answer 'How well?'βwhich assess the quality attributes of the system, like performance expectations.
Examples & Analogies
Think of a restaurant menu:
- The Business Requirements are like the restaurant's vision to improve salesβperhaps they want to increase dinner service by 20%. This is why they might introduce a new menu.
- The Stakeholder Requirements are like asking the diners what they want on the menu; maybe customers request more vegetarian options.
- The Functional Requirements describe what each dish should include and how it should be prepared; perhaps a dish needs to be served hot within 10 minutes.
- The Non-functional Requirements are akin to ensuring that every dish meets certain standards, like the meals must be served within a specific time or must use organic ingredients.
Definitions & Key Concepts
Learn essential terms and foundational ideas that form the basis of the topic.
Key Concepts
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Business Requirements: High-level needs justifying project initiation.
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Stakeholder Requirements: Needs of users and stakeholders impacted by the project.
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Functional Requirements: Specific system functionalities and features.
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Non-Functional Requirements: Quality attributes of the system's performance.
Examples & Real-Life Applications
See how the concepts apply in real-world scenarios to understand their practical implications.
Examples
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An example of Business Requirement: Increase online sales by 20% in the next six months.
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An example of Stakeholder Requirement: A customer wants to track their order status in real-time.
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An example of Functional Requirement: The system shall allow users to reset passwords via email.
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An example of Non-Functional Requirement: The system should load the homepage in under 2 seconds.
Memory Aids
Use mnemonics, acronyms, or visual cues to help remember key information more easily.
π΅ Rhymes Time
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When project begins and goals we see, Business Requirements guide the strategy!
π Fascinating Stories
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Once upon a time, a company wanted to boost sales. They set a goal to increase online sales by 20% in six months, which became their Business Requirement to justify a new project.
π§ Other Memory Gems
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Use 'PURPOSE': P for Performance, U for Usability, R for Reliability, P for Security, O for Operation, S for Systemessentials, E for Effectiveness to remember Non-Functional Requirements.
π― Super Acronyms
Remember 'BSFN'
- Business
- Stakeholder
- Functional
- Non-Functional to categorize types of requirements.
Flash Cards
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Glossary of Terms
Review the Definitions for terms.
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Term: Business Requirements
Definition:
High-level needs of the organization that justify the initiation of a project.
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Term: Stakeholder Requirements
Definition:
Requirements that represent the needs of stakeholders and users.
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Term: Functional Requirements
Definition:
Detailed description of the system behavior and functionalities.
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Term: NonFunctional Requirements (NFRs)
Definition:
Requirements defining how the system should behave, focusing on system qualities.