Reference no: EM131178635
1. Explain the strength and weaknesses of SDLC models?
2. Define the term object-oriented analysis and design.
3. The SDLC adheres to important phases that are essential for developers, such as planning, analysis, design, and implementation. It includes evaluation of present system, information gathering, feasibility study and request approval. The SDLC phases serve as a programmatic guide to project activity. Describe the management and control of SDLC phases.
4. "I think it's only fair to write up all the alternatives you've considered", says Lou Ciye, a personnel supervisor for DayGlow Paints. "After all, you've been working on this systems thing for a while now, and I think my boss and everyone else would be interested to see what you've found out." You are talking with Lou as you prepare to put together the final systems proposal that your team will be presenting to upper management. Explain why your proposal will not contain all the alternatives that your team has considered.
5. What is overriding variable that determines how many people a systems analyst should interview in depth?
6. A commercial bakery makes many different products. These products include breads, desserts, specially cakes, and many other baked goods. Ingredients such as flour, spices, and milk are purchased from vendors. Sometimes an ingredient is purchased from a single vendor, and other times an ingredient is purchased from many vendors. The bakery has commercial customers, such as schools and restaurants, that regularly place orders for baked goods. Each baked good has a specialist that oversees the setup of the bakery operation and inspects the finished product. Draw an appropriate Entity-Relationship diagram for the above scenario. You are required to mark different types of keys and attributes clearly.
7. What is the major advantages of decision tables over other methods of decision analysis?
8. Draw four pictures, showing examples of four types of behavioral relationships for any BMW automobile dealership. What type of relationship is involved when a customer must arrange financing? Are there common activities involved when a person either leases or buys an automobile? What type of relationship is between an employee who is a manager or one who is a sales person?
9. Ayman's Office Supplies Company recently had a new information system installed to help its managers with inventory. In speaking with the managers, you notice that they seem disgruntled with the system output, which is a series of displays that show current inventory, customer and supplier addresses, and so on. All screens need to be accessed through several special commands and the use of a password. The mangers had several opinions about the system but had no systematic way to evaluate it.
a) Devise a checklist that helps Ayman's managers to evaluate the utilities of an information system.
b) Compare it with other parameters to evaluate the above information system.
10. Why is defining classes such an important object-oriented analysis task?
11. Give two reasons that support the necessity of well-developed systems and software documentation.
12. What are seven essential items that an analyst should include in performing a website traffic analysis?