Modern Systems Analysis And Design 9th Global Edition Joe Valacich, Joey George - Solutions

What is the role of an entity-relationship diagram in data modeling?
State whether there is a one-to-one, one-to-many, or many-to-many relationship for the following pairs of related entities. Use the notation introduced in the text to draw a diagram for each of the relationships.a. Employee and Projectb. Student and Coursec. Course and Sectiond. Customer and
Consider the Is_married_to unary relationship in Figure 8-14c.a. Assume that we want to know the date on which a marriage occurred. Augment this E-R diagram to include a Date_married attribute.b. Because persons sometimes remarry after the death of a spouse or a divorce, redraw this E-R diagram to
Why are data flow diagrams important for the development of conceptual data modeling?
Consider Figure 8.20.a. Write a domain integrity rule for Balance.b. Write a triggering operation for the Balance attribute for the event of inserting a new.Figure 8.20 ACCOUNT Account Number Balance (al (bl (c) HH Is_for Uniqueness: Must be unique Null support:
Discuss with a systems analyst the role of conceptual data modeling in the overall systems analysis and design of information systems at their company. How, and by whom, is conceptual data modeling performed? What training in this technique is given? At what point(s) is this done in the development
Interview a database designer and ask them to give you an example of an E-R diagram showing multiple relationships between entities. Which type of E-R diagram is easier to construct when compared to a simple E-R diagram indicating simple relationships? Can a unary relationship be introduced into
Find and review related articles from the popular press and from the academic research literature on prototyping. Summarize the two articles and, based on your reading, prepare a list of arguments for why this type of system would be useful in a JAD session. Also address the limits for applying
Compare and contrast the traditional and contemporary methods for determining requirements in system analysis and design. List the situations where each method is suitable.Highlight some of the distinct features of these methods.
Suppose you have to interview a systems analyst to collect information about designing a management information system for your institute. Prepare a checklist of the guidelines you will follow in the interview.
In which situations can prototyping be applied? List the pros and cons of evolutionary prototyping and throwaway prototyping. Comment on the applicability of the prototyping method, and list the problems associated with them.
Review academic literature on the Nominal Group Technique. Pick a research paper and find out which situation this technique was used for and whether there were any limitations to the technique. Note down the key aspects of the technique as well
Visit the library of your institute and read different case studies on an observation method similar to the case in the box “Lost Soft Drink Sales” in this chapter. Prepare a report summarizing the key points of the case studies you have read.
Find an organization that uses the planning game approach (Figure 6-10) to deal with requirements and specifications. What are the different phases they follow in the planning game? What role do the two players play in each phase? Which phase, according to them, is the most challenging, and
Suppose you want to open a coffee shop chain and require an information system for managing the sales. Organize a JAD session in your class. You are the user, your course teacher is the systems analyst, some students are appointed to play the other roles, and others act as the audience. Discuss
Search the Internet to get information on how organizations are using disruptive technologies to change the conventional rules of the business. Explain using an example.
With the help of other students or your instructor, contact someone in an organization who conducts JAD sessions. Interview the different participants of JAD sessions and find out what role each of them plays. Is the role played by them different from the one explained?
Match each of the key terms above with the definition that best fits it.Activity____ A way to visually encapsulate a process.____ A trigger that initiates the start of a process.____ A way to encapsulate a process that has two or more participants.____ A decision point.____ Shows the sequence of
Match each of the key terms above with the definition that best fits it.Event____ A way to visually encapsulate a process.____ A trigger that initiates the start of a process.____ A way to encapsulate a process that has two or more participants.____ A decision point.____ Shows the sequence of
Match each of the key terms above with the definition that best fits it.Flow____ A way to visually encapsulate a process.____ A trigger that initiates the start of a process.____ A way to encapsulate a process that has two or more participants.____ A decision point.____ Shows the sequence of action
Match each of the key terms above with the definition that best fits it.Gateway____ A way to visually encapsulate a process.____ A trigger that initiates the start of a process.____ A way to encapsulate a process that has two or more participants.____ A decision point.____ Shows the sequence of
Match each of the key terms above with the definition that best fits it.Pool____ A way to visually encapsulate a process.____ A trigger that initiates the start of a process.____ A way to encapsulate a process that has two or more participants.____ A decision point.____ Shows the sequence of action
Match each of the key terms above with the definition that best fits it.Swimlane____ A way to visually encapsulate a process.____ A trigger that initiates the start of a process.____ A way to encapsulate a process that has two or more participants.____ A decision point.____ Shows the sequence of
Match each of the key terms above with the definition that best fits it.Associative entity____A detailed model that captures the overall structure of organizational data and is independent of any database management system or other implementation considerations.____A detailed, logical
Match each of the key terms above with the definition that best fits it.Attribute____A detailed model that captures the overall structure of organizational data and is independent of any database management system or other implementation considerations.____A detailed, logical representation of the
Match each of the key terms above with the definition that best fits it.Binary relationship____A detailed model that captures the overall structure of organizational data and is independent of any database management system or other implementation considerations.____A detailed, logical
Match each of the key terms above with the definition that best fits it.Business rules____A detailed model that captures the overall structure of organizational data and is independent of any database management system or other implementation considerations.____A detailed, logical representation of
Match each of the key terms above with the definition that best fits it.Candidate key____A detailed model that captures the overall structure of organizational data and is independent of any database management system or other implementation considerations.____A detailed, logical representation of
Match each of the key terms above with the definition that best fits it.Cardinality____A detailed model that captures the overall structure of organizational data and is independent of any database management system or other implementation considerations.____A detailed, logical representation of
Match each of the key terms above with the definition that best fits it.Composite attribute____A detailed model that captures the overall structure of organizational data and is independent of any database management system or other implementation considerations.____A detailed, logical
Match each of the key terms above with the definition that best fits it.Conceptual data model____A detailed model that captures the overall structure of organizational data and is independent of any database management system or other implementation considerations.____A detailed, logical
Match each of the key terms above with the definition that best fits it.Degree____A detailed model that captures the overall structure of organizational data and is independent of any database management system or other implementation considerations.____A detailed, logical representation of the
Match each of the key terms above with the definition that best fits it.Derived attribute____A detailed model that captures the overall structure of organizational data and is independent of any database management system or other implementation considerations.____A detailed, logical representation
Match each of the key terms above with the definition that best fits it.Disjoint rule____A detailed model that captures the overall structure of organizational data and is independent of any database management system or other implementation considerations.____A detailed, logical representation of
Match each of the key terms above with the definition that best fits it.Domain____A detailed model that captures the overall structure of organizational data and is independent of any database management system or other implementation considerations.____A detailed, logical representation of the
Match each of the key terms above with the definition that best fits it.Entity instance____A detailed model that captures the overall structure of organizational data and is independent of any database management system or other implementation considerations.____A detailed, logical representation
Match each of the key terms above with the definition that best fits it.Entity-relationship data model (E-R model)____A detailed model that captures the overall structure of organizational data and is independent of any database management system or other implementation considerations.____A
Match each of the key terms above with the definition that best fits it.Entity-relationship diagram (E-R diagram)____A detailed model that captures the overall structure of organizational data and is independent of any database management system or other implementation considerations.____A
Discuss why systems analysts need to understand the project management process in today’s business environment.
In which phase of project planning is COCOMO applied, and why? Discuss the importance of this phase in project planning.
Discuss the role of the project scope statement and baseline project plan in the project planning phase.
Describe the different time estimates in PERT, and how the expected time can be calculated with them.
Define the following terms:a. Functional decompositionb. Incremental commitmentc. Corporate strategic planningd. Information systems planning
Describe what is meant by the planning-based approach, and how organizations benefit from this approach.
Discuss different decision outcomes that can emerge from the project selection decision process.
What are the advantages and disadvantages of the bottom up planning approach?
Describe the type of information that must be collected to represent current information system situations.
Name three business organizations that attempt to achieve their missions and objectives through the product differentiation competitive strategy.
Why do you think value chain analysis is considered an important project evaluation method for assessing information systems development projects? To execute value chain analysis properly, what should be done first? What are the implications of not doing so?
Select an organization that has a well-defined mission statement. Construct objective statements for that organization, and make sure that the statements either quantitative or qualitative goals that can be achieved over time.
Describe the different factors needed for improved information system project identification and selection.
Why do you think that parallel activities between corporate strategic planning and information systems planning should be established?
Take a look at your institute’s mission statement and objectives. You can go to its Website and download latest strategic plan document. Alternatively, stop by your institute’s office for planning and budgeting and get a copy of the latest strategic planning document. After all these years,
Interview a senior executive in a business organization. The chosen business organization could be quite big or relatively small. Do they follow the process of identifying and selecting an IS development project as described in this textbook? Discuss how potential development projects are
Match each of the key terms above with the definition that best fits it.Economic feasibility____ Questions in interviews that ask those responding to choose from among a set of specified responses.____ Technologies that enable breaking long-held business rules that inhibit organizations from making
Match each of the key terms above with the definition that best fits it.Intangible benefit____ Questions in interviews that ask those responding to choose from among a set of specified responses.____ Technologies that enable breaking long held business rules that inhibit organizations from making
Match each of the key terms above with the definition that best fits it.Intangible cost____ Questions in interviews that ask those responding to choose from among a set of specified responses.____ Technologies that enable breaking long-held business rules that inhibit organizations from making
Match each of the key terms above with the definition that best fits it.Legal and contractual feasibility____ Questions in interviews that ask those responding to choose from among a set of specified responses.____ Technologies that enable breaking long-held business rules that inhibit
Match each of the key terms above with the definition that best fits it.One-time cost____ Questions in interviews that ask those responding to choose from among a set of specified responses.____ Technologies that enable breaking long-held business rules that inhibit organizations from making
Match each of the key terms above with the definition that best fits it.Operational feasibility____ Questions in interviews that ask those responding to choose from among a set of specified responses.____ Technologies that enable breaking long-held business rules that inhibit organizations from
Match each of the key terms above with the definition that best fits it.Political feasibility____ Questions in interviews that ask those responding to choose from among a set of specified responses.____ Technologies that enable breaking long-held business rules that inhibit organizations from
Match each of the key terms above with the definition that best fits it.Present value____ Questions in interviews that ask those responding to choose from among a set of specified responses.____ Technologies that enable breaking long-held business rules that inhibit organizations from making
Match each of the key terms above with the definition that best fits it.Project Scope Statement (PSS)____ Questions in interviews that ask those responding to choose from among a set of specified responses.____ Technologies that enable breaking long-held business rules that inhibit organizations
Match each of the key terms above with the definition that best fits it.Recurring cost____ Questions in interviews that ask those responding to choose from among a set of specified responses.____ Technologies that enable breaking long-held business rules that inhibit organizations from making
Match each of the key terms above with the definition that best fits it.Schedule feasibility____ Questions in interviews that ask those responding to choose from among a set of specified responses.____ Technologies that enable breaking long-held business rules that inhibit organizations from making
Match each of the key terms above with the definition that best fits it.Tangible benefit____ Questions in interviews that ask those responding to choose from among a set of specified responses.____ Technologies that enable breaking long-held business rules that inhibit organizations from making
Match each of the key terms above with the definition that best fits it.Tangible cost____ Questions in interviews that ask those responding to choose from among a set of specified responses.____ Technologies that enable breaking long-held business rules that inhibit organizations from making
Match each of the key terms above with the definition that best fits it.Technical feasibility____ Questions in interviews that ask those responding to choose from among a set of specified responses.____ Technologies that enable breaking long-held business rules that inhibit organizations from
Match each of the key terms above with the definition that best fits it.Time value of money (TVM)____ Questions in interviews that ask those responding to choose from among a set of specified responses.____ Technologies that enable breaking long-held business rules that inhibit organizations from
Match each of the key terms above with the definition that best fits it.Total cost of ownership (TCO)____ Questions in interviews that ask those responding to choose from among a set of specified responses.____ Technologies that enable breaking long-held business rules that inhibit organizations
Match each of the key terms above with the definition that best fits it.Walk-through____ Questions in interviews that ask those responding to choose from among a set of specified responses.____ Technologies that enable breaking long-held business rules that inhibit organizations from making radical
Contrast the following terms:a. Break-even analysis; present value; net present value; return on investmentb. Economic feasibility; legal and contractual feasibility; operational feasibility; political feasibility; schedule feasibilityc. Intangible benefit; tangible benefitd. Intangible cost;
List and describe the steps in the project initiation and planning process.
What two documents make up the main deliverables from the planning phase, and what are they used for?
What three questions must be answered to judge whether a certain activity belongs to the initiation phase or the analysis phase? Why are these questions important?
List and discuss the different types of project feasibility factors. Is any factor most important? Why or why not?
About how much of the total time and money spent on a project should be devoted to the project initiation and planning study?
What does the term “business case” refer to?
What is the main point of working with the structured review processes of a development project?
What is the main use of a break-even analysis, and how is it executed?
Match each of the key terms above with the definition that best fits it.Application software____ The complex organizational process whereby computerbased information systems are developed and maintained.____ Computer software designed to support organizational functions or processes.____ The
Match each of the key terms above with the definition that best fits it.Design____ The complex organizational process whereby computerbased information systems are developed and maintained.____ Computer software designed to support organizational functions or processes.____ The organizational role
Match each of the key terms above with the definition that best fits it.Implementation____ The complex organizational process whereby computerbased information systems are developed and maintained.____ Computer software designed to support organizational functions or processes.____ The
Match each of the key terms above with the definition that best fits it.Information systems analysis and design____ The complex organizational process whereby computerbased information systems are developed and maintained.____ Computer software designed to support organizational functions or
Match each of the key terms above with the definition that best fits it.Inheritance____ The complex organizational process whereby computerbased information systems are developed and maintained.____ Computer software designed to support organizational functions or processes.____ The organizational
Match each of the key terms above with the definition that best fits it.Logical design____ The complex organizational process whereby computerbased information systems are developed and maintained.____ Computer software designed to support organizational functions or processes.____ The
Match each of the key terms above with the definition that best fits it.Maintenance____ The complex organizational process whereby computerbased information systems are developed and maintained.____ Computer software designed to support organizational functions or processes.____ The organizational
Match each of the key terms above with the definition that best fits it.Object____ The complex organizational process whereby computerbased information systems are developed and maintained.____ Computer software designed to support organizational functions or processes.____ The organizational role
Match each of the key terms above with the definition that best fits it.Object class____ The complex organizational process whereby computerbased information systems are developed and maintained.____ Computer software designed to support organizational functions or processes.____ The organizational
Match each of the key terms above with the definition that best fits it.Object-oriented analysis and design (OOAD)____ The complex organizational process whereby computerbased information systems are developed and maintained.____ Computer software designed to support organizational functions or
Match each of the key terms above with the definition that best fits it.Physical design____ The complex organizational process whereby computerbased information systems are developed and maintained.____ Computer software designed to support organizational functions or processes.____ The
Match each of the key terms above with the definition that best fits it.Planning____ The complex organizational process whereby computerbased information systems are developed and maintained.____ Computer software designed to support organizational functions or processes.____ The organizational
Match each of the key terms above with the definition that best fits it.Rational Unified Process (RUP)____ The complex organizational process whereby computerbased information systems are developed and maintained.____ Computer software designed to support organizational functions or processes.____
Match each of the key terms above with the definition that best fits it.Systems analyst____ The complex organizational process whereby computerbased information systems are developed and maintained.____ Computer software designed to support organizational functions or processes.____ The
Match each of the key terms above with the definition that best fits it.Systems development life cycle (SDLC)____ The complex organizational process whereby computerbased information systems are developed and maintained.____ Computer software designed to support organizational functions or
Match each of the key terms above with the definition that best fits it.Systems development methodology____ The complex organizational process whereby computerbased information systems are developed and maintained.____ Computer software designed to support organizational functions or processes.____
What is application software? How does it differ from software in general (such as games)?
Compare and contrast logical and physical design.
In the 1980s, the software market not just the market for software used in organizations grew very rapidly. What was the reason for this?
According to Fowler, what are the three guiding principles for the agile methodologies, as expressed in The Agile Manifesto?

Showing 400 - 500 of 1024

Modern Systems Analysis And Design 9th Global Edition Joe Valacich, Joey George - Solutions

Step by Step Answers