BIS 445 DeVry Week 5 Quiz Latest

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BIS 445 DeVry Week 5 Quiz Latest


BIS 445 DeVry Week 5 Quiz Latest

  1. Question : (TCO 6)An artificial neural network is composed of many interconnected ________.
  • artificial units
  • artificial cells
  • artificial neurons
  • artificial atoms

Question 2. Question : (TCO 6) Pioneers McCulloch and Pitts built their neural network model using a large number of interconnected ________ artificial neurons.

  • dual
  • binary
  • singular
  • serial

Question 3. Question : (TCO 6) The output of neurons can be the final result, or it can be a(n) ________ to other neurons.

  • source
  • contribution
  • key
  • input

Question 4. Question : (TCO 5) In linear regression analysis, which of the following represents the percent reduction in error when the line of best fit is used to make a prediction, compared to the error generated using the mean?

  • R-squared
  • F-statistic
  • The y-intercept
  • None of the above

Question 5. Question : (TCO 5) If a statistically significant linear regression model is y = 5x + 10, and x = 12, what is the predicted value of y?

  • 17
  • 2/5
  • 10
  • 70

Question 6. Question : (TCO 5) The summation function computes the ________ sums of all the input elements that are entered in each processing element.

  • weighted
  • averaged
  • total
  • aggregated

Question 7. Question : (TCO 6) Which of the following is not a consideration in selecting a neural network structure?

  • Selection of a topology
  • Determination of input nodes
  • Determination of output nodes
  • Determination of weighting functions

Question 8. Question : (TCO 5) All of the following are popular application areas of text mining, except:

  • information extraction.
  • document summarization.
  • question answering.
  • data structuring.

Question 9. Question : (TCO 6) Data mining differs from knowledge management in which of the following ways?

  • Data mining seeks to retain employee knowledge, while knowledge management seeks to guide knowledge.
  • Data mining uses the Internet more than knowledge management.
  • Data mining seeks to make ways of doing business known to others, while knowledge management is concerned with identifying patterns in data.
  • Data mining is concerned with identifying patterns in data, while knowledge management is concerned with ensuring employee knowledge stays with the company.

Question 10. Question : (TCO 6) The two main approaches to text classification are ________ and ________.

  • knowledge engineering; machine learning
  • categorization; clustering
  • association; trend analysis
  • knowledge; extraction

Question 11. Question : (TCO 6) Why does the Web pose great challenges for effective and efficient knowledge discovery?

  • The Web search engines are indexed-based.
  • The Web is too dynamic.
  • The Web is too specific to a domain.
  • The Web infrastructure contains hyperlink information.

Question 12. Question : (TCO 6) Which of the following components is considered the building block of an artificial neural network?

  • The PE
  • The training algorithm
  • The artificial neuron
  • The search algorithm

Question 13. Question : (TCO 6) A network which learns to make accurate predictions by comparing its own output to known output is called a _________ network.

  • unsupervised
  • dynamic
  • supervised
  • static

Question 14. Question : (TCO 6) This type of neural network problem seeks to classify inputs into classes, such as healthy or not healthy.

  • Clustering
  • Function approximation
  • Classification
  • Data mining

Question 15. Question : (TCO 6) This type of classification problem seeks to group data into categories that are the most unique when given the characteristics of the underlying data.

  • Clustering
  • Function approximation
  • Classification
  • Data mining