design a powerpoint discussing the benefits of prototyping in System Analysis.?
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
Based on your earlier recommendations, Willowbrook decided to continue the systems
development process for a new information system that would improve operations,
decrease costs, and reduce some of the administrative workload.
Now, at the end of the systems analysis phase, you are ready to prepare a system
requirements document and give a presentation to the Willowbrook School?s
management and board of directors. Many of the proposed system?s advantages were
described during the fact-finding process. Those include smoother operation, better
efficiency, and more user-friendly procedures for staff and parents.
You must examine tangible costs and benefits to determine the economic feasibility of
multiple alternatives. The finance and fund-raising committees will need to examine the
costs and benefits to determine if the development process will go ahead. If Willowbrook
School decides to go ahead with development, the system can either be developed inhouse or purchased as a vertical package and configured to meet the needs of the school.
Currently, Michelle Madrid is logging 10 hours of overtime a week due to the increased
workload associated with increased enrollment and school expansion. She is being
compensated for overtime at a cost of $22.50 per hour including overhead expenses.
Based on current enrollment projections, the overtime will need to be expanded to 15
hours a week in the next school year. The overtime requirement would be eliminated if
Willowbrook implements the new system. The current system now causes an average of
six errors per week, and each error takes about 20 minutes to correct. The new system
should eliminate those errors.
Based on your research, you originally estimated by working 35 hours per week you
could complete an in-house development project in about 8 weeks. Your consulting rate,
which Willowbrook agreed to, is $35 per hour. If you design the new system as a
database application, you can expect to spend about $1,500 for a networked commercial
package. One of the parents at Willowbrook has extensive experience with this package
as a Database Administrator at a local company, and has committed to providing 10
hours per week working with you to develop the project. After the system is operational
and the staff is trained, you hope that Willowbrook staff and volunteers can handle
routine maintenance tasks without your assistance. If they continue to require your
assistance, a contract rate can be negotiated later depending on the nature of the problem.
As an alternative to in-house development, a vertical software package is available for
about $8,500. The vendor offers a lease-purchase package of $2,000 down, followed by
two annual installments of $3,250 each. If Willowbrook buys the package, it would take
you about three weeks to install, configure, and test it, working full-time. The vendor
provides free support during the first year of operation, but then Willowbrook must sign a
technical support agreement at an annual cost of $750 for the duration of years. Although
the package contains many of the features that Willowbrook wants, most of the reports
are pre-designed and it would be difficult to modify their layouts.
You have agreed to provide five hours per week of training and support for the first two
months of operation. After the new system is operational, it will need routine
maintenance, file backups, and updating. These tasks will require about four hours per
week and will be performed by school staff or parent volunteers at an average hourly rate
For both the in-house development and the vertical software package, the necessary
hardware will cost about $3,500. Hardware and network installation will be partially
provided by three parent volunteers.
In your view, the useful life of the system will be about five years, including the year in
which the system becomes operational.
The development of the new system will occur in Year 0, but the system will not be used
until Year 1. The school will use the manual system during development, and will switch
over to the new system during the month of June, to start the new school year on the new
system. Use $15.00 per hour for any rate not previously stated in the case.
1. Develop a PowerPoint that discusses the main points of prototyping. Provide
reasoning for whether or it should be used at this point in the project. Don?t forget
to provide speaker?s notes with each slide.
Note: Create a PowerPoint Presentation: Minimal 7 slides, excluding title and
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