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computer sciences
systems analysis and design

Questions and Answers of Systems Analysis And Design

Identify the use cases for the following system: Picnics R Us (PRU) is a small catering firm with five employees. During a typical summer weekend, PRU caters 15 picnics for 20 to 50 people each. The
Identify the use cases for the following system: Of the-Month Club (OTMC) is an innovative young firm that sells memberships to people who have an interest in certain products. People pay membership
Think about your school or local library and the processes involved in checking out books, signing up new borrowers, and sending out overdue notices, all from the library’s perspective. Describe
Think about the system that handles student admissions at your university. The primary function of the system should be to track a student from the request for information through the admission
The new information system at Jones Legal Investigation Services will be developed, using objects. The data to be managed by this system will be complex, consisting of large amounts of text, dates,
The case investigation undergoes several states in the Jones Legal Investigation Services system. The case investigation is first established when the attorney requests that an investigation be
What is information technology and why is it important? Suggest three fictitious headlines that might be added to Figure 1-1 on page2.
Why would a systems analyst have to act as a translator? What groups might be involved?
Write a business profile for a large business in your town. You can use your imagination to supply details you might not know.
What strategies are Wal-Mart and Lowes using to gain more online customers?
Identify the main components of an information system. What is a mission-critical system?
Compare enterprise computing systems to transaction processing systems. Provide three examples of each type of system.
What are the four organizational levels common to many businesses? Which level typically requires data that supports long-term strategic planning and the overall business enterprise? What level of
Describe three systems development tools and three development methods.
What are the phases of the SDLC waterfall model? Who was Barry Boehm, and what did he have to say about spiral models?
Review the IBM history on page 4, and then consider the powerful statement shown in Figure. Is there a connection between the two? Why or why not?In Figure At this institution, an individual can
Some experts believe that the growth in e-commerce will cause states and local governments to lose tax revenue, unless Internet transactions are subject to sales tax. What is one argument that
Are top managers likely to be more effective if they have IT experience? Why or why not?
Should the IT director report to the company president, or somewhere else? Does it matter?
Will online transactions eventually replace person-to-person contact? Why or why not?
Research newspaper, business magazine articles, or the Web to find IT companies whose stock is traded publicly. Choose a company and pretend to buy $5,000 of its stock. Why did you choose that
Visit at least three Web sites to learn more about agile system development and spiral models. Prepare a list of the sites you visited and a summary of the results.
Explore the Critical Thinking Community Web site at criticalthinking.org. Identify three important topics currently being discussed, and describe your findings.
You are the IT manager at Hi-Voltage Components, a medium-sized firm that makes specialized circuit boards. Hi-Voltage’s largest customer, Green Industries, recently installed a computerized
As part of your job search, you decide to find out more about salaries and qualifications for systems analysts in the area where you would like to work. To increase your knowledge, search the
You have an interview for an IT position with NewTech, a large telecommunications company, and you want to learn more about the firm and its organizational structure. To prepare for the interview,
Your NewTech interview seemed to go well, but you did not get the job. During the meeting, the interviewer mentioned that NewTech uses structured analysis and relies heavily on modeling, prototyping,
1. Develop a business profile for Hudson Kayak Adventures. Create a separate section for each of the following: HKA’s business activities, organization, resources, customers, and potential for
1. Use the background information to develop a business profile for Personal Trainer. Be sure to indicate where more information will be needed.2. Each new supercenter service represents a business
1. Use the background information to create a business profile for New Century, and indicate areas where more information will be needed. The profile should include an organization chart of the
Suppose you are a part-time student assistant in the computer lab at your school. Janet Jacobs, the IT department chair, recently announced that a CASE tool will be installed on the lab network. Her
How does strategic planning influence day-to-day business operations? Why is it important for systems analysts to understand a company’s strategic plan?
What is a SWOT analysis? Prepare a SWOT analysis of your school or your employer.
What is an effective way to assess user requests for additional features and functions?
What are four types of feasibility? Which type focuses on total cost of ownership? Which type is influenced primarily by users?
Describe the six steps in a typical preliminary investigation. Why should an analyst be careful when using the word problem?
What is project scope? What are constraints? Provide an example of a mandatory, external, future constraint. Also provide an example of a discretionary, internal, present constraint.
Identify and briefly describe five common fact-finding methods.
What fact-finding methods are well-suited for complex technical issues? Which might be appropriate for the pursuit of new, cutting-edge features?
What type of tool might a systems analyst use to identify a relationship between two variables? What tool is useful for identifying and prioritizing causes of problems?
What is a fishbone diagram, and why would you use one? Think of a problem you have experienced at school or work, and draw a sample fishbone diagram with at least two levels.
Suppose that the vice president of marketing asks you to write a program to create labels for a onetime advertising promotion. As IT manager, you know that the labels can be prepared more efficiently
Would you continue to work for a company if you disagreed with the firm’s mission statement? Why or why not?
Use the Internet to find two examples of corporate mission statements.
Suppose you own a travel agency in a large city. You have many corporate clients, but growth has slowed somewhat. Some long-term employees are getting discouraged, but you feel that there might be a
1. Why is it important to define the project scope? How would you define the scope of the payroll project in this case? 2. Review each constraint and identify its characteristics: present vs. future,
1. Develop questions to ask Way Out’s owner to help her conduct a SWOT analysis. The first step in developing a SWOT analysis is for top management to respond to questions like these:2. How could a
1. Write a draft of the proposal explaining the advantages of a review committee, as your boss requested. 2. What would you tell your boss about the potential disadvantages of the committee approach
1. Review the fact statements in Chapter 1, and perform Internet research to find out as much as you can about fitness center operations. Using this background, conduct a SWOT analysis with at least
1. Health information management is a rapidly-growing sector that directly affects health care costs. Every specialized area has its own vocabulary, and health information management is no exception.
Suppose you are a part-time student assistant in the computer lab at your school. Janet Jacobs, the IT department chair, recently announced that a CASE tool will be installed on the lab network. Her
Write the script for a one-minute explanation of basic project management concepts.
What is a task? What is an event? What is a milestone?
What specific information do you need to create a work breakdown structure?
What are the three main task patterns? Provide an example of each.
Explain the differences between a Gantt chart and a PERT/CPM chart.
What formula can a project manager use to estimate task duration? Provide an example.
What is a common problem in calculating start and finish times? Provide an example.
Why is the critical path important? Why would a task be on the critical path?
Why is it important to deliver effective project reports and communications?
In Poor Richard’s Almanac, Benjamin Franklin penned the familiar lines: “For the want of a nail the shoe was lost, for the want of a shoe the horse was lost, for the want of a horse the rider was
Go to Microsoft’s Web site and navigate to the Download and Trials area. Select the Microsoft Project Professional 2010, download the program, and install it. Then create a project based on the
Describe three personal experiences where a project management approach would have been helpful.
1. What is the correct total time?2. What is the critical path?3. Create a Gantt chart that shows the WBS.4. Create a PERT/CPM chart.At Forest Point Construction, your boss says that he can estimate
To ensure the quality, cost, and timeliness of the new system, you suggested that New Century use a project management approach. Dr. Jones agreed, and he wants you develop a brief presentation that
1. In business process modeling notation, a gateway is like a fork in the road, allowing the flow to go one way or another. You can learn more about gateways in the Visible Analyst Glossary feature.
Provide three examples each of closed-ended, open-ended, and range-of-response questions.
What are three types of sampling? Which one would you use to analyze data input errors?
What is the Hawthorne Effect? Have you ever experienced it? When and where?
What are agile methods? Are they better than traditional methods? Why or why not?
Design a questionnaire to learn what students think of the registration process at your school. Apply the guidelines you learned in this chapter.
Use Microsoft Word to design a simple fill-in form with at least five fields.
Use the Internet to find a site that contains current IT industry news, information, and links. Write a brief description of you liked and didn’t like.
You are the IT manager at a regional moving company that recently merged with a major competitor. The company president asked you to prepare requirements for a new information system to support the
Your boss, the IT director, wants you to explain FDDs, BPM, DFDs, and UML to a group of company managers and users who will serve on a systems development team for the new marketing system.1. Explain
Zevo is currently reaching the end of the requirements modeling phase of a new inventory control system for their global company. As a systems analyst you are asked to support this ongoing project.1.
During requirements modeling for the new system, Susan Park met with fitness center managers at several Personal Trainer locations. She conducted a series of interviews, reviewed company records,
New Century Wellness Group offers a holistic approach to healthcare with an emphasis on preventive medicine as well as traditional medical care. In your role as an IT consultant, you will help New
1. According to Visible Analyst, functional decomposition diagrams (FDDs) involve top-down business planning decisions, and should be the starting point for modeling business functions and processes.
Describe data and process modeling concepts and tools.
Explain the differences between Gane and Sarson and Yourdon symbols. Provide examples of symbols that represent processes, data flows, data stores, and entities.
What is the difference between a context diagram and diagram 0? Which symbol is not used in a context diagram?
How would you explode DFDs?
Describe a data dictionary and list the types of information it contains.
How would you level DFDs?
How would you balance DFDs?
What is the purpose of decision tables? How do you create them?
Why would a manager prefer a decision tree instead of a decision table?
Suppose you were assigned to develop alogical model of the registration system at a school or college. Would you be better off to use a top-down approach, or would a bottom-up strategy be better?
Some systems analysts find it better to start with a decision table, and then construct a decision tree. Others believe it is easier to do it in the reverse order. Which do you prefer? Why?
A systems analyst attended a week-long workshop on structured analysis. When she returned to her job, she told her boss that structured analysis was not worth the time to learn and use on the job.
On the Internet, locate at least three firms that offer CASE tools as shareware or free, public domain software. Describe what you found.
Create a decision table with three conditions. You can make one up, or use a scenario from everyday life. Either way, be sure to show all possible outcomes.
The data flow symbols shown on page 185 were designed by Ed Yourdon, a well-known IT author, lecturer, and consultant. Many IT professionals consider him to be among the most influential men and
1. Describe the rules for creating DFDs.2. What are the data flow and process combinations that must be avoided when creating a DFD?3. Explain what a diagram 0 is and how it is used.4. Ask Michelle
Kitchen Gadgets sells a line of high-quality kitchen utensils and gadgets. When customers place orders on the company’s Web site or through electronic data interchange (EDI), the system checks to
1. Create a decision table that describes Big State University course catalog regarding eligibility for MIS 260. Show all possible rules.2. Simplify the table you just created. Describe the
1. Create a decision table that describes the movement of inventory.2. Draw a decision tree that describes the merchandise inventory management process.3. Name four attributes that you can use to
1. Create a decision table that describes the discount rules.2. Simplify the table you just created. Describe the results.3. Draw a simplified decision tree that shows the discount rules.4. What are
1. Prepare a context diagram for the new system.2. Prepare a diagram 0 DFD for the new system.3. Write a brief memo that explains at least five attributes that you can use to define a process in the

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