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CIS 321 DeVry Week 3 Quiz Latest
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Question : (TCO 4) A systematic sampling technique that attempts to reduce the variance of the estimates by spreading out the sampling or by avoiding very high or low estimates is
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None of the above
Question 2. Question : (TCO 4) Which of the following is something you should do during an interview?
Tape-record the interview
Talk extensively to explain the system
Let the interview run as long as it needs to
Note nonverbal communication
Avoid eye contact
Question 3. Question : (TCO 4) Which of the following is NOT a guideline for successfully conducting a JRP session?
Encourage group consensus.
Encourage user and management participation.
For precision, use technical jargon.
Apply conflict resolution skills.
Question 4. Question : (TCO 5) The act of breaking a system into its component subsystems, processes, and sub processes is known as
Question 5. Question : (TCO 5) Another name for a data flow diagram is a
All of the above
Question 6. Question : (TCO 4) A function or feature that highlights what a system must do is known as
a requirements discovery.
a problem requirement.
a functional requirement.
a nonfunctional requirement.
Question 7. Question : (TCO 4) A fact-finding technique wherein the systems analyst either participates in or watches a person perform activities to learn about the system is
Question 8. Question : (TCO 5) In data flow diagrams
processes are represented by rounded rectangles.
data flows are represented by arrows.
data stores are represented by open-ended boxes.
external agents are represented by squares.
Question 9. Question : (TCO 5) A context data flow diagram shows all of the following EXCEPT
the external agents that communicate with the system.
the information that the external agents either send to or get from the system.
the processes that each external agent interfaces with.
the system as a single element.
All of the above are shown.
Question 10. Question : (TCO 5) A process that has an input and an output data flow is known as
a white hole.
a gray hole.
a black hole.
both a miracle and a black hole.
None of the above