Questions and Answers of Modern Systems Analysis And Design

Choose an organization that you interact with regularly and list as many different "systems" (computer-based or not) as you can that are used to process transactions, provide in- formation to
What characteristics must a project have in order for critical path scheduling to be applicable?
A project has been defined to contain the following list of activities along with their required times for completion.a. Draw a network diagram for the activities.b. Calculate the earliest expected
Construct a Gantt chart for the project defined in Problem and Exercise 7.Problem and Exercise 7A project has been defined to contain the following list of activities along with their required times
Assume you have a project with ten activities labeled A-J, as shown. Derive the earliest completion time (or early fin- ish-EF), latest completion time (or late finish-LF), and slack for each of the
Assume you have a project with 10 activities labeled A-J. De- rive the earliest completion time (or early finish-EF), est completion time (or late finish-LF), and slack for each of the following
Describe the unique characteristics of OOSAD projects that have ramifications for how these projects are managed.
Why should project managers complete hard problems first in an OOSAD project?
Why is planning too much up front a mistake in an OOSAD project?
Consider the situation you addressed in Problem and Exercise 3. Create numeric cost estimates for each of the costs you listed. Calculate the net present value and return on investment. Include a
Consider the situation you addressed in Problem and Exercise 3. Create a sample Project Scope Statement, following the structure shown in Figure 5-10.Problem and Exercise 3Assume you are put in
Use the outline for the BPP provided in Figure 5-9 to present the system specifications for the information system you chose for Problems and Exercises 3.Problem and Exercise 3Assume you are put in
Change the discount rate for Problem and Exercise 3 to 10 percent and redo the analysis.Problem and Exercise 3Assume you are put in charge of launching a new website for a local nonprofit
Change the recurring costs in Problem and Exercise 3 to $40,000 and redo the analysis.Problem and Exercise 3Assume you are put in charge of launching a new website for a local nonprofit organization.
Change the time horizon in Problem and Exercise 3 to: three years and redo the analysis.Problem and Exercise 3Assume you are put in charge of launching a new website for a local nonprofit
Change the recurring costs in Problem and Exercise 11 to $40,000 and redo the analysis.Problem and Exercise 11Assume monetary benefits of an information system of$40,000 the first year and increasing
For the system you chose for Problems and Exercises 3. complete section 1.0, A, Project Overview, of the BPP Re- port. How important is it that this initial section of the BPP Report is done well?
For the system you chose for Problems and Exercises 3, 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 Problems and Exercises 3. complete section 3.0, A-F, Feasibility Analysis, of the BPP Report. How does this feasibility analysis compare with your gut feel- ing from the
For the system you chose for Problems and Exercises 3, complete section 4.0, A-C, Management Issues, of the BPP Report. Why might people sometimes feel that these additional steps in the project plan
Match each of the key terms above with the definition that best fits it.Object____A part object that belongs to only one whole object and that lives and dies with the whole.____A part-of relationship
Use your own academic report, issued by your institute, as an example. Ask a database administrator how they use normalization steps to transform the details of the report into a set of relations in
List the keyboard shortcut keys you use for operating commands in Microsoft Word and Microsoft PowerPoint if you are a Windows user and in iWork if you are a macOS user.Search the Internet to find
Suppose you are an IT manager at your institute. List any two open-source software packages besides Microsoft Office that can be used for routine work in your office. Download both and test them out
Obtain copies of actual RFPs used for information systems developments and/or purchases. If possible, obtain RFPs from public and private organizations. Find out how they are used. What are the major
With regard to your response to the previous question, describe the key product criterion that is being used by each business organization.
Go to a restaurant and obtain a copy of their strategic planning document. Their strategic planning could be part of the restaurant chain’s overall planning. Describe their competitive strategies
Choose a business organization you are familiar with, perhaps one that you have had training in or have worked at before. Assess their information systems planning. Do they follow the three-step
Suppose a technology supplier deals in two types of IT products: monitors and hard disks. The detailed attributes of these products are (1) Monitor(Product_ID, Name, and Resolution) and (2) Hard
Ask a database designer or database administrator working in a bank to give you three examples of customer account types. Ask them to help you come up with the attributes of these types of customers.
Match each of the key terms above with the definition that best fits it.Abstract class____A part object that belongs to only one whole object and that lives and dies with the whole.____A part-of
Match each of the key terms above with the definition that best fits it.Abstract operation____A part object that belongs to only one whole object and that lives and dies with the whole.____A part-of
Match each of the key terms above with the definition that best fits it.Aggregation____A part object that belongs to only one whole object and that lives and dies with the whole.____A part-of
Match each of the key terms above with the definition that best fits it.Association____A part object that belongs to only one whole object and that lives and dies with the whole.____A part-of
Match each of the key terms above with the definition that best fits it.Association role____A part object that belongs to only one whole object and that lives and dies with the whole.____A part-of
Match each of the key terms above with the definition that best fits it.Associative class____A part object that belongs to only one whole object and that lives and dies with the whole.____A part-of
Match each of the key terms above with the definition that best fits it.Behavior____A part object that belongs to only one whole object and that lives and dies with the whole.____A part-of
Match each of the key terms above with the definition that best fits it.Class diagram____A part object that belongs to only one whole object and that lives and dies with the whole.____A part-of
Match each of the key terms above with the definition that best fits it.Class-scope attribute____A part object that belongs to only one whole object and that lives and dies with the whole.____A
Match each of the key terms above with the definition that best fits it.Class-scope operation____A part object that belongs to only one whole object and that lives and dies with the whole.____A
Match each of the key terms above with the definition that best fits it.Composition____A part object that belongs to only one whole object and that lives and dies with the whole.____A part-of
Match each of the key terms above with the definition that best fits it.Concrete class____A part object that belongs to only one whole object and that lives and dies with the whole.____A part-of
Match each of the key terms above with the definition that best fits it.Constructor operation____A part object that belongs to only one whole object and that lives and dies with the whole.____A
Match each of the key terms above with the definition that best fits it.Encapsulation____A part object that belongs to only one whole object and that lives and dies with the whole.____A part-of
Match each of the key terms above with the definition that best fits it.Method____A part object that belongs to only one whole object and that lives and dies with the whole.____A part-of relationship
Match each of the key terms above with the definition that best fits it.Multiplicity____A part object that belongs to only one whole object and that lives and dies with the whole.____A part-of
Match each of the key terms above with the definition that best fits it.Object (class)____A part object that belongs to only one whole object and that lives and dies with the whole.____A part-of
Match each of the key terms above with the definition that best fits it.Operation____A part object that belongs to only one whole object and that lives and dies with the whole.____A part-of
Match each of the key terms above with the definition that best fits it.Polymorphism____A part object that belongs to only one whole object and that lives and dies with the whole.____A part-of
Match each of the key terms above with the definition that best fits it.Query operation____A part object that belongs to only one whole object and that lives and dies with the whole.____A part-of
Match each of the key terms above with the definition that best fits it.State____A part object that belongs to only one whole object and that lives and dies with the whole.____A part-of relationship
Match each of the key terms above with the definition that best fits it.Update operation____A part object that belongs to only one whole object and that lives and dies with the whole.____A part-of
Contrast the following terms:Object class; object, Abstract class; concrete class
Draw a class diagram, showing the relevant classes, attributes, operations, and relationships for each of the following situations (if you believe that you need to make additional assumptions,
A bank has three types of accounts: checking, savings, and loan. Following are the attributes for each type of account:CHECKING: Acct_No, Date_Opened, Balance, Service_ChargeSAVINGS: Acct_No,
Match each of the key terms above to the definition that best fits it.Physical table____ A named, two-dimensional table of data. Each relation consists of a set of named columns and an arbitrary
Match each of the key terms above to the definition that best fits it.Pointe____ A named, two-dimensional table of data. Each relation consists of a set of named columns and an arbitrary number of
What is a relational database model? Why is a relational database model widely used by many enterprises?
What is a well-structured relation? How can the accuracy of the relation be maintained?
List and describe two normalization rules that are commonly used for the normalization process. What is the result of the normalization process?
Use an example of the Employee entity type to justify how a unary 1:N relationship works.
List two conditions regulating a relation that is already in first normal form (1NF).
Can the value of an identifier, such as the Emp_ID attribute of an Employee relation, be assigned by a software automatically? If yes, what is its characteristic? What is the purpose of assigning a
What are the advantages of assigning a default value to a field?
Indicate the type of normal form for each of the following relations. If the relation is not in third normal form, decompose it into 3NF relations. Convert the 3NF relations into an E-R diagram.Refer
How can the efficiency of data processing be improved by using physical table design?
Consider Figure 9-6.a. In order to determine course uniqueness, what is the name of the new attribute you will introduce to the relation? What is this attribute?b. Draw a relational schema and
Consider the list of individual 3NF relations below. These relations were developed from several separate normalization
Interview a database designer working in a medium-sized supermarket. Ask them why the company uses sequential file organization to store employee records. Why are the inventory records stored in
Contact a database designer in your institute. Ask them what kind of backup procedures they use for copying student data. Why are backup procedures essential? What are the types of file organization
Use your university library and other Internet resources to investigate the types of database models widely available for systems development. Which type is more popular? Why are others not used very
Interview database designers working in a small and a large trading company. Ask them how to start the normalization process. Is there any difference between companies in performing the normalization
Why is considering the design of forms and reports important in the systems design process?
What guidelines should be followed when highlighting information on display?
What kind of formatting should be avoided in textual output?
How should lists and tables be formatted, for instance, in a customer information form?
When should tables and graphs be used when displaying numeric information?
Table 10-1 lists common types of business reports. In Table 10-4, you will find different methods of highlighting. What kind of highlighting techniques would you use for the different types of
What are the key factors determining how design can assist user performance in the best possible way?
Compare Figures 10-8a and 10-8b and reflect the changes to the guidelines summarized in Table 10-7. What improvements can be found? Figures 10-8a Figures 10-8b TABLE 10-7 General Guidelines for
How can information be collected when assessing usability? What information should be collected?
Based on your experiences, add as many as possible common errors to the list presented in Table 10-11. TABLE 10-11 Common Errors When Designing the Layout of Web Pages Error Recommendation Make sure
What benefits were expected from following the three main guidelines when designing forms and reports at Pine Valley Furniture?
What should be considered about possible users, tasks, systems, and the environment of an electronic commerce application from the customer’s point of view? How can you use this information when
Consider a badly designed form or report in terms of speed, accuracy, and satisfaction. For each of these characteristics, list the possible consequences.
With the help of a wireframing tool, such as Visio or Balsamiq Mockups, generate a wireframe of your school’s or university’s homepage.
Select an online fill-in form, such as one for generating an e-mail account. Following the user-centered design process presented in this chapter, redesign the form with help of test users.
For one week, record all reports that you encounter. Analyze them with the help of the guidelines presented in this chapter. Write a report summarizing how different techniques were used to enhance
Go online and find return forms for five different e-commerce applications. Compare the forms. Which has the best usability and why?
Go online and find the annual reports of seven different universities. Write a report that lists what methods of highlighting have been used, how color is used to enhance usability, and when tables
Match each of the key terms above to the definition that best fits it.Command language interaction____ A method by which users interact with information systems.____ A human–computer interaction
Match each of the key terms above to the definition that best fits it.Cookie crumbs____ A method by which users interact with information systems.____ A human–computer interaction method whereby
Match each of the key terms above to the definition that best fits it.Dialogue____ A method by which users interact with information systems.____ A human–computer interaction method whereby users
Match each of the key terms above to the definition that best fits it.Dialogue diagramming____ A method by which users interact with information systems.____ A human–computer interaction method
Match each of the key terms above to the definition that best fits it.Drop-down menu____ A method by which users interact with information systems.____ A human–computer interaction method whereby
Match each of the key terms above to the definition that best fits it.Form interaction____ A method by which users interact with information systems.____ A human–computer interaction method whereby
Match each of the key terms above to the definition that best fits it.Icon____ A method by which users interact with information systems.____ A human–computer interaction method whereby users enter
Match each of the key terms above to the definition that best fits it.Interface____ A method by which users interact with information systems.____ A human–computer interaction method whereby users
Match each of the key terms above to the definition that best fits it.Menu interaction____ A method by which users interact with information systems.____ A human–computer interaction method whereby
Match each of the key terms above to the definition that best fits it.Natural language interaction____ A method by which users interact with information systems.____ A human–computer interaction

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