Entity Relationship Model or ER Model

We are developing the Project ‘Survey Builder’, and here we develop the Entity Relationship Model or in short ER Model of Survey Builder.But the question is What is an Entity-Relationship Model, ER Modeling is a top down approach to database design, it is a detailed, logical representation of entities associations and data elements for an organization…

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Data Flow Diagrams (DFD) of Survey Builder (Part 2)

First question that arise in our mind that what is Data Flow Diagrams (DFD). so in simple words DFD is Captures the flow of data in a system.  It helps in developing an understanding of system’s functionality. What are the different sources of data, what different transformations take place on data and what are final outputs generated…

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Detailed Data Flow diagrams or level 1 DFD (Part 3)

Once context of a system has been captured using context level diagram, the analyst would expand his activities and start digging out system’s internal details. Therefore, the same context level diagram is further expanded to include all major processes of the system that make up system functionality. So, instead of portraying system as a black…

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Use Case Diagram of Survey Builder (Part 1)

Survey Builder Software Requirements Specification (SRS) Use Case Diagram Project Scope: The Survey Builder software will be used by different users such as business developer, and different companies, also these surveys can be conducted in the field workers on laptops as Desktop application. This software will provide different kind of surveys for different domains and…

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