Devry CIS 321 Week 8 Final Exam Answers

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Devry CIS 321 Week 8 Final Exam Answers


1. (TCO 2) Which kind of feasibility can be impacted by government mandates? (Points : 4)
Operational feasibility
Technical feasibility
Schedule feasibility
Legal feasibility
CW* ultural or political feasibility

Question 2.2. (TCO 2) Which of the following tools provides a ranking of candidate systems? (Points : 4)
System proposal
Candidate systems matrix
Time value of money
Feasibility analysis matrix
None of the above

Question 3.3. (TCO 1) The people who use or are affected by the information system on a regular basis, capturing, validating, entering, responding to, storing, and exchanging data and information, are (Points : 4)
system users.
system analysts.
system builders.
system owners.
None of the above

Question 4.4. (TCO 1) The study, analysis, and redesign of fundamental business processes to reduce costs and/or improve value added to the business is known as (Points : 4)
business process redesign.
continuous process improvement.
capability maturity model.
total quality management.
None of the above

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Question 5.5. (TCO 4) A technique for generating ideas during group meetings where participants are encouraged to generate as many ideas as possible in a short time, without any analysis and until all ideas have been exhausted, is known as (Points : 4)
None of the above

Question 6.6. (TCO 4) Questionnaires that contain questions that require the selection of predefined responses are known as (Points : 4)
free-format questionnaires.
fixed format questionnaires.
Both A and B
None of the above

Question 7.7. (TCO 2) To determine operational feasibility, each of the following questions should be considered except (Points : 4)
“Will the new system result in a workforce reduction?”
“Will users be involved in planning the new system?”
“Will the system be able to handle future transactions?”
“Will the new system require training for users?”

Question 8.8. (TCO 3) Which of the following functions of the project manager is the most difficult and important function? (Points : 4)

Question 9.9. (TCO 6) A model-driven and data-centered but process-sensitive technique to plan, analyze, and design information systems is known as (Points : 4)
reverse engineering.
information engineering.
business process reengineering.
None of the above

Question 10.10. (TCO 6) Which name of the data flow is invalid on physical DFD? @ page 316 (Points : 4)

Question 11.11. (TCO 5) Another name for a DFD is a (Points : 4)
process model.
transformation graph.
process model.
bubble chart.
None of the above

Question 12.12. (TCO 5) A process (Points : 4)
is a common word used to describe almost any orderly arrangement of ideas or constructs.
is comprised of many systems and subsystems.
is only performed by computer software.
is work performed on, or in response to, incoming data flows or conditions.
None of the above

Question 13.13. (TCO 8) Which of the following reports categorizes information for managers who do not want to wade through the details? (Points : 4)
None of the above

1. (TCO 8) If you needed a user to select from a list of 100 part numbers, your best choice for a GUI control would be (Points : 4)
a text box.
radio buttons.
check boxes.
a spin box.
a dropdown list.

Question 2.2. (TCO 6) Which is not included in the process description tools? (Points : 4)
Decision tables
Structured English
Context diagrams
Decision trees

Question 3.3. (TCO 7) A language and syntax based on the relative strengths of structured programming and natural English used to specify the underlying logic of a process is known as (Points : 4)
Structured English.
flow charts.
decision tables.
None of the above

Question 4.4. (TCO 10) A Gender field can hold only the values M or F. This is an example of (Points : 4)
key integrity.
domain integrity.
referential integrity.
logical integrity.
schema integrity.

Question 5.5. (TCO 10) Which of the following are not criteria for producing a quality data model? (Points : 4)
A good data model is simple.
A good data model is flexible
A good data model is redundant.
A good data model is adaptable to future needs.
All of the above are criteria for producing a quality data model.

Question 6.6. (TCO 9) A true entity (Points : 4)
must have only one instance.
must have the same cardinality and degree.
must have a recursive relationship.
must have many possible instances.
All of the above

Question 7.7. (TCO 9) The data model for a single information system is usually called (Points : 4)
the enterprise data model.
the logical data model.
the application data model.
the physical data model.
None of the above

Question 8.8. (TCO 10) A collection of interrelated files is known as (Points : 4)
a field.
a record.
a database.
a network.
None of the above

Question 9.9. (TCO 12) A system acceptance test addresses which level(s) of acceptance testing? (Points : 4)
Validation testing
Verification testing
Audit testing
Unit testing
A, B, and C

Question 10.10. (TCO 12) Who is responsible for system testing? (Points : 4)
The programmer assigned to develop the program or function
Systems analysts, IS operations staff
All of the above
None of the above

Question 11.11. (TCO 13) Which installation strategy is the most costly if there are no major problems with the new system? (Points : 4)
Abrupt cut-over
Parallel conversion
Location conversion
Staged conversion
There is no difference in the cost for the above strategies.

Question 12.12. (TCO 10) In the relationship between U.S. cities and U.S. states, the state entity would be (Points : 4)
the child.
the parent.

Question 13.13. (TCO 12) Which kind of testing runs the system in a simulated environment using simulated data? (Points : 4)
Validation testing
Verification testing
Audit testing
Matrix testing
Litmus testing
5. (TCO 10) Is referential integrity important? Why or not? (Points : 22)

1. (TCO 2) After 5 years, the benefits for a new system will be $10,000. The costs will be $6,500. These numbers have been discounted to their present value. What is the lifetime ROI? Should this project be developed from what you know from your calculation? (Points : 24)

2. (TCO 4) What are some of the criteria deemed to be critical in defining system requirements? (Points : 22)

7. (TCO 13) What are the responsibilities of the systems analysts when training users? (Points : 22)

6. (TCO 12) There are three types of testing: unit, integration, and system testing. Please briefly describe each of these types of testing. (Points : 22)

3. (TCO 6) What does a physical DFD represent? How do data stores in the physical DFD differ from the data stores in the logical DFD? Give an example. (Points : 22)

4. (TCO 8) Read through the following dialogue that shows a user trying to place an order with the ACME system. Critique the dialogue in terms of important features you have learned about computer-human interfaces.
User: I would like to place an order
System: What is your customer ID?
User: I don’t have a customer ID.
System: Please enter your name and address.
User: My name is Ima Student, 123 Anywhere St, Anywhere, AZ 12345.
System: Please enter your name and address.
User: I just did.
System: Thank you! One moment &#-123;
System: What is your order?
User: I would like one dozen gadgets.
System: Error 366, request out of bounds (Points : 22)


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