Questions and Answers of Modern Systems Analysis And Design

Although the customer loyalty project at Petrie Electronics had gone slowly at first, the past few weeks had been fast-paced and busy, Jim Watanabe, the project manager, thought to himself. He had
Malocal bank, kan ufficers must evaluate loan application hefare approving or denying them. During this evaluation proces many factors regarding the loan request and the ap plicant's background are
Draw a use case diagram for the situation described in Problem and Exercise 9.Problem and Exercise 9Starting with a context diagram, draw as many nested DFDs as you consider necessary to represent
Draw a use case diagram for the situation described in Problem and Exercise 10.Problem and Exercise 10Starting with a context diagram, draw as many nested DFDs as you consider necessary to represent
Draw a use case diagram for the situation described in Problem and Exercise 11.Problem and Exercise 11Develop a context diagram and level-0 diagram for the hospital pharmacy system described in the
Draw a use case diagram for the situation described in Problem and Exercise 12.Problem and Exercise 12Develop a context diagram and a level-0 diagram for the contracting system described in the
Draw a use case diagram for the situation described in Problem and Exercise 13.Problem and Exercise 13Develop a context diagram and as many nested DFDs as you consider necessary to represent all
Draw an activity diagram for the following employee hiring process. Projects, Inc., is an engineering firm with approximately 500 engineers in different specialties. New employees are hired by the
See Problem and Exercise 12 in Appendix 7A. One of the use cases for the auto rental system in this exercise is "Car reservation." Draw a sequence diagram, in instance form, to describe the sequence
Assume that at PVF, each product (described by Product No., Description, and Cost) is composed of at least three components (described by Component No., Description, and Unit of Measure), and
Each semester, each student must be assigned an adviser who counsels students about degree requirements and helps stu- dents register for classes. Students must register for classes with the help of
Consider the E-R diagram in Figure 8-15b.a. What would be the identifier for the CERTIFICATE associative entity if Certificate Number were not included?b. Now assume that the same employee may take
Find out what database management systems are available at your university for student use. Investigate which data types these DBMSS support. Compare these DBMSS based on the data types supported and
Contrast the following terms.a. File server, client/server architecture, local area network. (LAN)b. Hypertext Markup Language (HTML), Hypertext Trans- fer Protocol (HTTP), domain naming system
Summarize the six possible architectures for client/server systems.
Why do many commercial websites have both operational and informational systems?
Briefly describe and contrast the components of a two-tier versus a three-tier data warehouse.
What is a data mart and why do some organizations use it to support organizational decision making?
Develop a table that summarizes the comparative capabili ties of the six client/server architectures. You might start with Table 12-1 for some ideas.Table 12-1 TABLE 12-1 Several Differences between
Suppose you are responsible for the design of a new order entry and sales analysis system for a national chain of auto part stores. Each store has a PC that supports office func tions. The company
An extension of the three-tiered client/server architec- ture is the -tiered architecture, in which there are many specialized application servers. Extend the reasons for the three-tiered
Obtain access to a typical PC DBMS, such as Microsoft Access. What steps do you have to follow to link an Access database to a database on a server? Do any of these steps change depending on the DBMS
There is a movement toward wireless mobile computing using thin-client technology. Go to the Web and visit some of the ma jor computer vendors that are producing thin-client products such as handheld
Building on the research conducted in Problem and Exercise 9, what challenges does each device present for designers when delivering an electronic commerce application? Are some devices more suitable
Data warehousing is an important part of most large-scale commercial electronic commerce sites. Assume you are an executive with a leading company like Amazon.com; develop. a list of questions that
Scan the literature and determine the various LAN oper- ating systems available. Describe the relative strengths and weaknesses of these systems. Do these systems seem to be adequate for distributed
Examine the capabilities of a client/server API environ- ment. List and describe the types of client-based operations that you can perform with the API. List and describe the types of server-based
Explain the code-testing process.
What is self-training?
What is e-learning?
How are CASE tools used in the maintenance of information systems?
How has systems analysis and design changed over the past four decades?
What is RAD?
What is object-oriented analysis and design?
How might prototyping be used as part of the SDLC?
Compare Figures 1-2 and 1-12. How do they differ? How are they similar? Explain how Figure 1-12 conveys the idea of speed in development.Figures 1-2Figures 1-12 Maintenance Planning Implementation
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?

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