System Analysis and Design is a process used to understand, analyze, design, and implement a system that meets specific business needs. It involves studying existing systems, identifying problems, and designing solutions to improve efficiency and effectiveness.
The SDLC typically includes the following phases:
A systems analyst is responsible for analyzing business problems and designing information systems solutions. They gather requirements, create specifications, and work closely with developers, testers, and end-users to ensure the system meets business needs.
Common techniques for gathering requirements include:
A use case is a detailed description of how users interact with a system to achieve a specific goal. It is important because it helps in understanding user requirements, provides a clear vision of the system's functionality, and serves as a basis for system design and testing.
System modeling is important because it provides a visual representation of the system, helps in understanding and analyzing system components and their interactions, facilitates communication among stakeholders, and aids in identifying potential issues early in the design process.
Object-Oriented Design (OOD) is a method of designing a system using objects, which are instances of classes that encapsulate data and behavior. OOD focuses on defining software components based on real-world objects and their interactions, promoting reusability, scalability, and maintainability
A prototype is an early, simplified version of a system used to visualize and validate design concepts with stakeholders. It helps in gathering feedback, refining requirements, and identifying potential issues before full-scale development.