CIS 321 DeVry Week 3 Quiz Latest

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CIS 321 DeVry Week 3 Quiz Latest

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CIS 321 DeVry Week 3 Quiz Latest

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

  • observation.
  • proxemics.
  • randomization.
  • stratification.
  • 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.
  • None of the above

Question 4. Question : (TCO 5) The act of breaking a system into its component subsystems, processes, and sub processes is known as

  • generalization.
  • normalization.
  • composition.
  • decomposition.
  • None of the above

Question 5. Question : (TCO 5) Another name for a data flow diagram is a

  • process model.
  • transformation graph.
  • bubble chart.
  • 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

  • observation.
  • proxemics.
  • randomization.
  • stratification.
  • None of the above

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.
  • All of the above

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