All Matches
Solution Library
Expert Answer
Textbooks
Search Textbook questions, tutors and Books
Oops, something went wrong!
Change your search query and then try again
Toggle navigation
FREE Trial
S
Books
FREE
Tutors
Study Help
Expert Questions
Accounting
General Management
Mathematics
Finance
Organizational Behaviour
Law
Physics
Operating System
Management Leadership
Sociology
Programming
Marketing
Database
Computer Network
Economics
Textbooks Solutions
Accounting
Managerial Accounting
Management Leadership
Cost Accounting
Statistics
Business Law
Corporate Finance
Finance
Economics
Auditing
Ask a Question
Search
Search
Sign In
Register
study help
computer science
modern systems analysis and design
Questions and Answers of
Modern Systems Analysis And Design
Imagine you are a decision-maker about to allocate millions of dollars to-ward an SoS. The analysts have told you that the SoS configuration they recommend was developed using an agent-based model.
Choose one of the items below to complete:a. Prepare an abstraction depiction /‘paper model ’and complete pseudo-code that would implement a fire escape ABM for a university class-room.
Find an example of an undirected network in the real world. Provide justi-fication as to why this network operates as an undirected network.
Define a“ cycle” in a network. Describe a cycle assuming a fully connected network with nodes numbered 1,2,3,4,5, and 6.
In your own words ,explain why as sort ativity could be important to System of Systems theory.
Design an undirected network with N=7 and L=12. Based on how you drew your network, classify it as either fully connected ,random, or scale-free. Justify your decision with a short paragraph
Using the same graph from the question above, create an adjacency matrix that defines relationships within the graph.Data from in question aboveDesign an undirected network with N=7 and L=12. Based
Design a directed network that has N=6 and L=10. Choose directional-ity on your directed network. Once directionality is established, build the adjacency matrix associated to your graph.
Design a network with an average degree of 2.
For the following network (Figure 5.11), do hand calculations (show your hand written work) to compute(a) for each node: degree ,cluster-ing coefficient, betweenness centrality, and degree
Why would we use agent- based models in stead of analytic models?
Define two of the agent behavior types.
Explain the phenomenon of emergence in SoS . Why is this property impor-tant?
What is the “ultimate goal” of ABM ? Explain what is gained from this “ultimate goal.”
Can emergence be observed at the α level of an SoS? Why or why not?
What are the three features of an appropriate lexicon for SoS?
Does an SoS always have a centralized control?
Are Disruptors and Driver sendogenous or exogenous entities?
What is a potential risk associated with moving directly from the definitionphase of an SoS problem to the implementation phase?
In which phase of the DAI process are the SoS stake holder identified? Met-rics for the analysis defined? Appropriate models identified and discussed? ROPE table built?
Where have you seen DAI-like process esimplemented in engineering? Dis-cuss examples of how Definition, Abstraction, and Implementation are used in the engineering disciplines.
Context and boundary are important for defining (and modeling) a system.a. Trueb.False
Is it difficult to solve many SoS problem effectively by manipulating ele-ments ONLY at the α level (i.e., lowest level)?a. Yes b.No
How many hierarchical levels are required in a ROPE table?a. 4 b.2c. 6d. It depends on the particular problem/scope
Which of the following is NOT a source of complexity in an SoS?a. Uncertainty of requirementsb.Multiplicity of perspectives among stakeholdersc. Lack of diversity among componentsd. Unmodeled
Which of the following is NOT the barrier to successful SoS modeling and analysis?a. Tendency of fragmented perspectives for practical development b.Lack of mathematical understanding of physical
Which of the following would you NOT be concerned with during the ab-straction phase of the DAI SoS M&A process?a. Specifying the main classes of actors b. Recognizing the “big picture”
What are the ROPE table categories?a. Research, Operations, Project, Economics b.Resources, Operations, Politics, Environmentc. Resources, Operations, Policy, Economicsd. Reusability, Operations
Which is NOT a class of SoS design variables?a. Composition b.Configurationc. Controld. Communication
Design a system hierarchy forareal- world System of Systems problem. Perform background research on the different levels of system hierarchies and decide on an application of interest .Discuss why
Think of an SoS problem of interest. With the help of the example provided in this chapter ,try to fill a ROPE table for the specific problem. Do not focus only on the Resources (component
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
Showing 1 - 100
of 991
1
2
3
4
5
6
7
8
9
10