computer help
LucyKnot
system_analysis.docxUnit I Essay
Systems development life cycle (SDLC) is a very important methodology that assists IT professionals in the development of methods and procedures for new or re-engineered systems.
For this essay, imagine you are approached by a member of a business department that has no idea what SDLC is, and they want to know when a physical model is created. You must first describe the SDLC and its phases. Then, explain when a physical model can be created. Also, be sure to indicate which phase you think is the most important.
Your essay should contain a minimum of 300 words. Format your essay using APA style. Use your own words, and include citations and references as needed to avoid plagiarism.
Unit III Essay
Agile, JAD, and RAD Application Development
As a systems analyst, you must use the best application tools to analyze the proposed system to be developed. Write an essay describing the advantages and disadvantages for agile, JAD, and RAD approaches to application development methods.
Your essay should contain a minimum of 300 words. Format your essay using APA style. Use your own words, and include citations and references as needed to avoid plagiarism.
Unit V Assignment
Object-Oriented Modeling
You are a member of the systems development team for XYZ Car Manufacturer. The project manager has tasked you to design an object-oriented modeling for the company vehicle line that consists of cars, minivans, trucks, SUVs, and hybrids. The project manager has assigned you the following three tasks:
1. Briefly explain what are objects, attributes, and methods of the O-O model.
3. Lastly, draw a use case model of the buyer purchasing a vehicle. (Be sure to include class diagrams in your model.)
Your assignment should contain a minimum of 300 words. Format your assignment using APA style. Use your own words, and include citations and references as needed to avoid plagiarism
Unit VIII Final Project
At the end of this course, you will complete a final project that will assess your understanding and comprehension of systems development. The minimum written requirement is five pages and may extend beyond the five pages due to the size of the drawings.
Scenario: 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:
1. Describe briefly the five steps of the systems development life cycle. 2. Differentiate between agile, JAD, and RAD methodologies. Which will you use for the development, and why? Would you use a prototype method? 3. Summarize the six steps of the preliminary investigation and the project triangle. 4. 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. 5. 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. 6. Describe the seven basic principles for developing user interface design. Draw a simple entity relationship diagram (ERD) for the POS. 7. Summarize the last step of the SDLC of systems support and security. Why is this so important to the Cycle Stationary Unit (CSU) organization? 8. Explain what global, national, or local industry needs could affect the POS system.
NOTE: All requirements must be completed in the order shown. Format your assignment using APA style. Windows and Mac owners: All you need is a simple drawing program such as Paintbrush. Mac owners can download the software from the Mac App Store.
