The results of the study in the form of a menu e-order system at the 50/50 Coffee café with the conclusion of the analysis that the users of the e-order system were “SATISFIED”. System implementations are created with the help of the CodeIgniter framework and use the PHP programming language. The customer should have the receipt that calculation system generates for them. System testing uses usability testing with the USE Questionnaire method. Use Case No: 6 Use Case Name: Payment Actors: Customer Description: This use case allow customer to pay for food. Design of this system using the waterfall model System Development Life Cycle (SDLC) development method and then analyzed the level of user satisfaction with the PIECES method. ER diagram reflects the relationships that various entities involved in the system share among themselves, along with the entities. The study aims to produce a mobile web ordering system that is then analyzed with the PIECES indicator to determine the level of user satisfaction. The above shown is an entity-relationship diagram, depicting the working of the food ordering system. Based on these problems, a system of e-order menus of web-based mobile applications is designed. This is also experienced by café 50/50 Coffee which still makes menu reservations manually. In general, a café often has difficulty in serving customers, especially for menu ordering facilities. Data flow diagram Fast food System context diagram Restaurant. Café as a place to relax or chatter where visitors can order the menu available. Use case diagram Unified Modeling Language Online food ordering, actor, template. is an online tool / software for creating UML sequence diagrams.
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