The construction or development of an information system or application cannot be separated from the system design process. The system design process is one part or stage of system development. The software development process (software) models and methodologies for software development are called the Software Development Life Cycle (SDLC). There are several SDLC models that can be used, one of which is the waterfall model. The waterfall model has the advantage of engineering practicality, which can ensure the quality of the software being built is maintained, the stages are complete so that the software maintenance process is easier to carry out, it has a logical structure, conceptual errors can be avoided, technical documentation is complete, system development progress can be monitored, and estimates of total costs are relatively accurate. The resulting system design also needs to be documented, for example, using Unified Modeling Language (UML). UML makes it easy to develop systems or software. With UML, developers can find out the system flow that users expect. Based on the advantages of the UML model, in designing the Student Entrepreneurial Information System (Siwirma) that will be built or developed, the conceptual design process uses the UML model.
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