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What do you understand by requirement? Can you differentiate between requirements and needs?

There seems to be confusion in the industry between clients and Business Analysts when it comes to defining the difference between requirements and needs.
Defining requirements is the process of determining what is required by a stakeholder to accomplish a goal or solve a problem. The requirements describe the expected behavior of the product or service to be built. They can be written as an abstract description, or as an analysis of the business problem and solution that will fulfill it—sometimes described through a user story. There can also be a detailed description of the “job” that you want this app/product/service to do for users. The term “need” refers to a high-level representation of a requirement. The requirements should be written in an easy-to-understand manner, using a standard format. The requirements document should contain all the information that is necessary and sufficient to determine if the project is viable and has met its objectives.
Business analysts can use a wide range of tools and methods to obtain the requirements they need to define the solution. When you’re writing requirements for a project, you should be looking for the best possible solution for your problem. It’s a good idea to write out all of the different requirements, from what you want to do and why you need it to how it should work. Without clearly defined requirements, any project will be incomplete.
The next step in the business requirements lifecycle is to determine what the business need is for their product. This comes from various inputs such as customer feedback, market research, and technical information. After this discovery phase, you must determine what your product requirements are. These details will be listed in a requirement document which then acts as a blueprint for creating subsequent features or models. If you don’t have enough information about what your requirements should be yet, our team can help you figure that out before development begins.
Need is what we are trying to achieve or what we want to achieve. Eg Need could be Get a Job then the requirements could be I should create a Resume, I should practice for the interviews, I should do study. It is the requirements that determine how the goal or need can be achieved.

How to Elicit Requirements:

  • Brainstorming
  • Document Analysis (reviewing existing documentation)
  • Focus Groups
  • Interface Analysis (reviewing existing interfaces)
  • Interviews
  • Observation
  • Prototyping
  • Requirements workshops
  • Surveys/Questionnaires

Methods for Documenting Requirements:

  • Requirements specifications: Requirements specifications are a key element of any Information Technology project since they define what product or service is being delivered and how it has to be communicated.
  • Diagramming : Diagrams are a great way to communicate. Once you have become comfortable with the basic shapes and symbols in UML, you can begin to explore more complex components that may be used in diagrams.
  • Use Case: Use cases describe what happens to the user at each step of their path through the application and include any external circumstances that might affect the outcome (such as whether or not the user is logged out)
  • User Stories: User stories are an agile workflow requirement that provide a high-level description of what the user will experience while using a specific feature of your product or Web app.
  • Prototypes: A prototype is a mock-up of what your software product will look like, in the end. It allows stakeholders to see and interact with your current vision of the end product. Customers and less technical people who have trouble envisioning the end product may benefit from creating a prototype review.

Importance of Understanding the Business Needs:

  • Before you can build a product or service, it is important to know what the users want from your product. Understanding the purpose of your project is essential because without it, you may be wasting time and resources.
  • You need to know what business goals are achieved when building your system in order to elicit the right requirements. The better you understand how your system contributes to achieving these goals, the better you will be able to choose which ones and prioritize them accordingly.

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