The Cycle Stationary Unit, computer science assignment help

The Cycle Stationary Unit (CSU) is a company that sells stationary cycles to fitness centers, rehabilitation centers, and home consumers. CSU is a multi-million dollar business that employs 1,000 employees for the building, selling, packaging, and shipping of their products to consumers. You are a systems analyst, and management has tasked you to create a new point of sale (POS) system for CSU.You must complete the following requirements for this final project:• Describe briefly the five steps of the systems development life cycle.• Differentiate between agile, JAD, and RAD methodologies. Which will you use for the development, and why?Would you use a prototype method?• Summarize the six steps of the preliminary investigation and the project triangle.• Explain what a data flow diagram (DFD) is. Illustrate by drawing a DFD of a context diagram point of sale (POS)system using the Gane and Sarson symbols and a diagram 0 DFD.• Discuss what object-oriented development is, and draw an object model of the point of sale system. Rememberyou must have an object model, attributes, and methods in the object model. Also, draw a use case modelingUML (Unified Modeling Language) for the POS.• Describe the seven basic principles for developing user interface design. Draw a simple entity relationshipdiagram (ERD) for the POS.• Summarize the last step of the SDLC of systems support and security. Why is this so important to the CycleStationary Unit (CSU) organization?• Explain what global, national, or local industry needs could affect the POS system.