Systems Development, computer science homework help

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Systems Development, computer science homework 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. Remember

you must have an object model, attributes, and methods in the object model. Also, draw a use case modeling

UML (Unified Modeling Language) for the POS.

  • Describe the seven basic principles for developing user interface design. Draw a simple entity relationship

diagram (ERD) for the POS.

  • Summarize the last step of the SDLC of systems support and security. Why is this so important to the Cycle

Stationary Unit (CSU) organization?

  • Explain what global, national, or local industry needs could affect the POS system.

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