Questions and Answers of Modern Systems Analysis And Design

Use BPMN to depict Hoosier Burger’s inventory control system from Figure 7-15 as a business process model.Figure 7-15 Invoices Counts STOCK SUPPLIER ON HAND 1.0 2.0 Update Inventory Update
Describe Cockburn’s template for a written use case.
How do you decide if a system component should be represented as a source/sink or as a process?
Use BPMN to depict Hoosier Burger’s food-ordering system from Figure 7-5 as a business process model.Figure 7-5 CUSTOMER KITCHEN 1.0 Customer Order Receive and Transform Food Order Receipt Customer
What can a written description of a use case provide that a use case diagram cannot?
Explain the guidelines for deciding when to stop decomposing DFDs.
The appendix features two BPMN examples that showed symbols but lacked content. Think of actual processes that can be described with the “empty” process diagrams in the chapter. These processes
Interview a systems analyst at a local company that uses object-oriented programming and system development tools. Ask to see any analysis and design diagrams he or she has drawn of their databases
Compare DFDs with use case diagrams.
How can DFDs be used as analysis tools?
BPMN includes many different varieties of its key concepts. Go to www.bpmn.org (and some of the other BPMN sites listed in the reference list) and look up all of the many variations that are possible
Explain an extend relationship.
Why do analysts draw multiple sets of DFDs?
BPMN includes many different variations on its key concepts. You were introduced to three different variations of the symbol for flow. Explain each one of them.
Draw a use case diagram for the following situation (state any assumptions you believe you have to make in order to develop a complete diagram). Then convert the use case diagram into a sequence
Explain an include relationship.
Explain the convention for naming different levels of DFDs.
What is the difference between a swimlane and a pool? When do you use each one?
Draw a use case diagram for the following situation (state any assumptions you believe you have to make in order to develop a complete diagram). Then convert the use case diagram into a sequence
Draw an activity diagram for the following case. Maximum Software develops and supplies software products to individuals and businesses. As part of its operations, Maximum provides a 1-800 telephone
What is a written use case and how does it compare to a use case diagram?
What is decomposition? What is balancing? How can you determine if DFDs are not balanced?
List and define the four main concepts that are part of BPMN.
Explain the rules for drawing good DFDs.
What is BPMN? Who is responsible for it?
What is a use case diagram?
State the activities involved in each of the following phases of the object-oriented development life cycle: object- oriented analysis, object-oriented design, and objectoriented implementation.
Draw an activity diagram that models the reimbursement process described below. Use one swimlane for each of the three actors in the process. The travel reimbursement process for employees of West
What is use case modeling?
What is a DFD? Why do systems analysts use DFDs?
Jim and Sanjay chatted in Jim’s office while they waited for Sally to arrive.“Good work on researching those alternatives,” Jim said.“Thanks,” replied Sanjay. “There are a lot of
What is a business process? Why is business process diagramming important?
Contrast the following terms (you will have to use what you learned in the object-oriented sections of Chapters 7 and 8 to contrast all of these terms):a. Actor; use caseb. Extends relationship; uses
Draw an activity diagram that models the following employee reimbursement process. Employees of West Nile Valley University have to follow a specific procedure to get reimbursed for travel they
What are use cases?
Find an organization that uses Agile techniques for requirements determination. What techniques do they use? How did they discover them? What did they use before? What is their evaluation of the
With the help of other students or your instructor, contact someone in an organization who has carried out a BPR study. What effects did this study have on information systems? In what ways did
Survey the literature on JAD in the academic and popular press and determine the “state of the art.” How is JAD being used to help determine system requirements? Is using JAD for this process
Interview systems analysts, users, and managers who have been involved in JAD sessions. Determine the location, structure, and outcomes of each of their JAD sessions. Elicit their evaluations of
For the same work team you used in Field Exercise 6-35, examine copies of any relevant written documentation (e.g., written procedures, forms, reports, system documentation). Are any of these forms
Choose a work team at your work or university and interview them in a group setting. Ask them about their current system (whether computer-based or not) for performing their work. Ask each of them
Effective interviewing is not something that you can learn from just reading about it. You must first do some interviewing, preferably a lot of it, because interviewing skills improve only with
Review the material in Chapter 4 on corporate and information systems strategic planning. How are these processes different from BPR? What new perspectives might BPR bring that classical strategic
Research other Agile methodologies and write a report about how they handle systems requirements determination.
Group interviews and JADs are very powerful ways to collect system requirements, but special problems arise during group requirements collection sessions. Summarize the special interviewing and group
Figure 6-2 shows part of a guide for an interview. How might an interview guide differ when a group interview is to be conducted?Figure 6-2 Interview Outline Interviewee: Interviewer: Name of person
Prepare a plan, similar to Figure 6-2, for an interview with your academic advisor to determine which courses you should take to develop the skills you need to be hired as a programmer/analyst.Figure
Suppose you were asked to lead a JAD session. List 10 guidelines you would follow to assist you in playing the proper role of a JAD session leader.
Summarize the problems with the reliability and usefulness of analyzing business documents as a method for gathering information requirements. How could you cope with these problems to effectively
One of the potential problems with gathering information requirements by observing potential system users is that people may change their behavior when they are being observed. What could you do to
Choose either CASE or prototyping as a topic and review a related article from the popular press and from the academic research literature. Summarize the two articles and, based on your reading,
Describe how prototyping can be used during requirements determination. How is it better or worse than traditional methods?
Describe four traditional techniques for collecting information during analysis. When might one be better than another?
Describe the concept of the time value of money. How does the discount rate affect the value of $1 today versus one year from today?
Write at least three closed-ended questions that you might use in an interview of users of a word-processing package in order to develop ideas for the next version of the package. Test these
Describe Agile Usage-Centered Design. Describe the Planning Game. Compare and contrast these two requirements determination techniques.
Why is continual user involvement a useful way to discover system requirements? Under what conditions might it be used? Under what conditions might it not be used?
What are disruptive technologies and how do they enable organizations to radically change their business processes?
When conducting a business process reengineering study, what should you look for when trying to identify a business process to change? Why?
How can CASE tools be used to support requirements determination? Which type of CASE tool is appropriate for use during requirements determination?
How can NGT be used for requirements determination?
How has computing been used to support requirements determination?
What is JAD? How is it better than traditional information gathering techniques? What are its weaknesses?
Jim Watanabe, the project manager, thought that although the customer loyalty project at Petrie Electronics had gone slowly at first, the past few weeks had been fastpaced and busy. He spent much of
Describe systems analysis and the major activities that occur during this phase of the systems development life cycle.
Find an organization that does not use BPP for their IS projects. Why doesn’t this organization use this method? What are the advantages and disadvantages of not using this method? What benefits
Choose an organization that you are familiar with and determine what is done to initiate information systems projects. Who is responsible for initiating projects? Is this process formal or informal?
Through a contact you have in some organization that uses packaged software, interview an IS manager responsible for systems in an area that uses packaged application software. What contractual
Network with a contact you have in some organization that conducts projects (these might be information systems projects, but they could be construction, product development, research and
For each project from the previous question, assess the feasibility in terms of economic, operational, technical, scheduling, legal and contractual, as well as political aspects.
Describe several projects you are involved in or plan to undertake, whether they are related to your education or to your professional or personal life (e.g., purchasing a new vehicle, learning a new
For the system you chose for Problem and Exercise 5-35, complete section 4.0, A–C, Management Issues, of the BPP Report. Why might people sometimes feel that these additional steps in the project
For the system you chose for Problem and Exercise 5-35, complete section 3.0, A–F, Feasibility Analysis, of the BPP Report. How does this feasibility analysis compare with your gut feeling from the
For the system you chose for Problem and Exercise 5-35, complete section 2.0, A, Alternatives, of the BPP Report. Without conducting a full-blown feasibility analysis, what is your gut feeling as to
For the system you chose for Problem and Exercise 5-35, complete section 1.0, A, Project Overview, of the BPP Report. How important is it that this initial section of the BPP Report is done well?
Change the recurring costs in Problem and Exercise 5-43 to $40,000 and redo the analysis.Problem and Exercise 5-43Change the time horizon in Problem and Exercise 5-35 to three years and redo the
Change the discount rate for Problem and Exercise 5-43 to 12 percent and redo the analysis.Problem and Exercise 5-43Change the time horizon in Problem and Exercise 5-35 to three years and redo the
Assume monetary benefits of an information system of $40,000 the first year and increasing benefits of $10,000 a year for the next five years (year 1 = $50,000, year 2 = $60,000, year 3 = $70,000,
Consider the situation you addressed in Problem and Exercise 5-35. Create numeric cost estimates for each of the costs you listed. Calculate the net present value and return on investment. Include a
Change the time horizon in Problem and Exercise 5-35 to three years and redo the analysis.Problem and Exercise 5-35.Consider your use of a PC at either home or work and list tangible benefits from an
Change the recurring costs in Problem and Exercise 5-35 to $40,000 and redo the analysis.Problem and Exercise 5-35.Consider your use of a PC at either home or work and list tangible benefits from an
Change the discount rate for Problem and Exercise 5-35 to 10 percent and redo the analysis.Problem and Exercise 5-35.Consider your use of a PC at either home or work and list tangible benefits from
Use the outline for the BPP provided in Figure 5-9 to present the system specifications for the information system you chose for Problem and Exercise 5-35.Problem and Exercise 5-35.Consider your use
Consider the situation you addressed in Problem and Exercise 5-35. Create a sample Project Scope Statement following the structure shown in Figure 5-10.Problem and Exercise 5-35.Consider your use of
Consider your use of a PC at either home or work and list tangible benefits from an information system. Based on this list, does your use of a PC seem to be beneficial? Why or why not? Now do the
Consider the purchase of a PC and laser printer for use at your home and assess the risk for this project using the project risk assessment factors in Table 5-7.Table 5-7. Risk Factor Examples
Describe the structured walk-through process. What roles need to be performed during a walk through?
What intangible benefits might an organization obtain from the development of an information system?
What are the types or categories of benefits of an IS project?
In what ways could you identify that one IS project is riskier than another?
What are the potential consequences of not assessing the technical risks associated with an information systems development project?
Briefly describe nine planning matrices that are used in ISP and project identification and selection.
Write a mission statement for a business that you would like to start. The mission statement should state the area of business you will be in and what aspect of the business you value highly.
Look again at the activities outlined in Problem and Exercise 3-40. Assume that your team is in its first week of the project and has discovered that each of the activity duration estimates is wrong.
Construct a Gantt chart and network diagram for a project you are or will be involved in. Choose a project of sufficient depth from work, home, or school. Identify the activities to be completed,
For the project you described in Problem and Exercise 3-43, assume that the worst has happened. A key team member has dropped out of the project and has been assigned to another project in another
Assume that you have a project with seven activities labeled A–G (below). Derive the earliest completion time (or early finish—EF), latest completion time (or late finish—LF), and slack for
Draw a network diagram for the tasks shown in Problem and Exercise 3-45. Highlight the critical path.Problem and Exercise 3-45.Assume that you have a project with seven activities labeled A–G
Draw a Gantt chart for the tasks shown in Problem and Exercise 3-47. Problem and Exercise 3-47.Assume you have a project with ten activities labeled A–J, as shown. Derive the earliest
Make a list of the tasks that you performed when designing your schedule of classes for this term. Develop a table showing each task, its duration, preceding event(s), and expected duration. Develop

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