Correct Answer is: Executive Information System.

Data Mining MCQ Multiple Choice Questions Answers - Page 2 | Quiz for Practice

Q: 16. Which one is an example for case based-learning.

Correct Answer is: K-nearest neighbor.

Q: 17. Redundancy refers to the elements of a message that can be derived from other parts of

Correct Answer is: same message.

Q: 18. Data mining algorithms require

Correct Answer is: All of the above.

Q: 20. What is the first stage in genetic algorithm.

Correct Answer is: Creation of population of string.

Q: 22. A coding operation in which an attribute with cardinality n is replaced by n binary attributes is called as

Correct Answer is: flattening of table.

Q: 23. What is one of the genetic operators that are used to recombine the population of genetic material.

Correct Answer is: genetic operator.

Q: 24. A database containing volatile data used for daily operation of an organization is

Correct Answer is: operational data.

Q: 25. The technique of learning by generalizing from examples is

Correct Answer is: inductive learning.

Q: 26. Genetic algorithm was proposed by

Correct Answer is: John Holland.

Data Mining MCQ Questions for Practice

16. Which one is an example for case based-learning.

Decision trees.
Neural networks.
Genetic algorithm.
K-nearest neighbor.

17. Redundancy refers to the elements of a message that can be derived from other parts of

different message.
irrelevant message.
same message.
complete message.

18. Data mining algorithms require

efficient sampling method.
storage of intermediate results.
capacity to handle large amounts of data.
All of the above.

19. The next stage to data selection in KDD process

enrichment.
coding.
cleaning.
reporting.

20. What is the first stage in genetic algorithm.

Evaluation of each string.
Selection of string.
Creation of population of string.
Genetic manipulation.

21. EIS stands for

Executive Information System.
Exchange of Information System.
Extra Information System.
Extended Information system.

22. A coding operation in which an attribute with cardinality n is replaced by n binary attributes is called as

falsification of table.
enrichment of table.
flattening of table.
fuzzification of table.

23. What is one of the genetic operators that are used to recombine the population of genetic material.

genetic operator.
mutation operator.
cross over operator.
encoding operator.

24. A database containing volatile data used for daily operation of an organization is

historic data.
metadata.
knowledge.
operational data.

25. The technique of learning by generalizing from examples is

incremental learning.
inductive learning.
hybrid learning.
generalized learning.

26. Genetic algorithm was proposed by

John Holland.
Johnson.
Watson.
Kohenon.

27. Which is the technique which is used for discovering patterns in dataset at the beginning of data mining process.

Kohenon map.
Visualization.
OLAP.
SQL.

28. A natural way to visualize the process of training a self-organizing map is called

kohonen movie.
kohonen map.
frame.
scatter diagram.

29. K-nearest neighbor is one of the

learning technique.
OLAP tool.
purest search technique.
data warehousing tool.

30. The complexity of data mining algorithm is represented by

log n.
2n log n.
n log n.
2 log n.