Marked out of 100 – Weighting 45%
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Assignment 3 S1 20015 CIS5200
Willowbrook school case
Willowbrook School is a small private school that has retained your services as a systems
analyst to assist in the development of a new information system for the school’s administrative
needs.
System Design Part A (20%)
The Willowbrook School staff accepted your interface, output, input, and data designs. Now you
will determine the system architecture, which translates the logical design of an information
system into a physical blueprint.
Tasks
1. Design a system architecture for Willowbrook School based on file server or client/server
architecture? Discuss advantages and disadvantages that should be considered when
making this decision within the context of Willowbrook School. Speak to the cost-benefit
issues of file server and client/server designs.
2. Based on your chosen architecture from task 1, what physical and logical network
topology would you recommend for Willowbrook School?
3. Now that you have developed a systems architecture and physical topology for the
network, make a list of the hardware that will be required for Willowbrook. Review the
background information in previous chapters to develop your list.
4. Write a system design specification document for Willowbrook’s new information
system.
System Design Part B (25%)
The systems design has been completed and design specifications approved. You are now
beginning the implementation phase of the SDLC, which includes application development,
installation, and evaluation. One of the parents at Willowbrook has extensive experience with the
database package as a Database Administrator at a local company, and has committed to
providing 15 hours per week working with you to develop and test the project. You should
assume that the server, switch, and workstations discussed in Part A have been purchased,
installed, and networked.
Tasks
5. Choose an application development methodology for the Willowbrook system. Discuss
the advantages and disadvantages of structured, object oriented, and agile development.
6. What types of testing should be performed? What types of test data should be used?
7. Identify the specific groups of people who need training on the new system. For each
group, describe the type of training you would recommend and list the topics you would
cover.
8. Develop a plan for data conversion and system changeover that specifies which data
items must be entered, the order in which the data should be entered, and which data
items are the most time critical. Discuss what method should be used for system
changeover.