Correct Answer is: Online Analytical Processing.

Online Linear Analytical Processing.

data under constraints that are already known

whole process of extraction of knowledge from data

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

Q: 32. Which is the relationship between compressibility and learnability.

Correct Answer is: Minimum description length principle.

Q: 33. A trivial result that is obtained by an extremely simple method is called

Correct Answer is: naive prediction.

Q: 34. The algorithm that need to access a table several times during execution is

Correct Answer is: n-table scan algorithm.

Q: 35. In K-nearest neighbor algorithm K stands for

Correct Answer is: number of neighbors that are investigated.

Q: 36. Which one of the following is not a part of empirical cycle in scientific research?

Correct Answer is: Self learning.

Q: 38. The intermediate unit in perceptron is

Correct Answer is: associators.

Q: 40. The set of attribute in a database that refers to data in another table is called

Correct Answer is: foreign key.

Q: 41. Translation of problem to learning technique is called as

Correct Answer is: representational engineering.

Q: 42. In KDD and data mining, noise is referred to as

Correct Answer is: random errors in database.

31. Which multiprocessing machines share same hard disk and internal memory.

Massively parallel.
Symmetric.
Parallel.
Asymmetric.

32. Which is the relationship between compressibility and learnability.

Maximum description length principle.
Minimum description length principle.
Kolmogorov complexity.
Voronoi principle.

33. A trivial result that is obtained by an extremely simple method is called

naive prediction.
accurate prediction.
correct prediction.
wrong prediction.

34. The algorithm that need to access a table several times during execution is

n-table scan algorithm.
zoom scan algorithm.
hybrid algorithm.
nearest neighbor search.

35. In K-nearest neighbor algorithm K stands for

number of neighbors that are investigated.
number of iterations.
number of total records.
random number.

36. Which one of the following is not a part of empirical cycle in scientific research?

Observation
Theory.
Self learning.
Prediction.

37. OLAP stands for

Online Analytical Processing.
Online Linear Analytical Processing.
Online Animated Process.
Online Analytical Problem.

38. The intermediate unit in perceptron is

photoreceptors.
associators.
responders.
receptors.

39. What is a planning optimization application written for KLM

PILOTS.
CAPTAINS.
CUSTOMERS.
AIRLINES.

40. The set of attribute in a database that refers to data in another table is called

primary key.
candidate key.
foreign key.
super key.

41. Translation of problem to learning technique is called as

reengineering.
translational engineering.
representational engineering.
learning algorithm.

42. In KDD and data mining, noise is referred to as

repeated data.
complex data.
meta data.
random errors in database.

43. What is used to load the information from operational database.

Replication technique.
Reengineering technique.
Engineering technique.
Transformation engineering.

44. Hidden knowledge can be found by using

searching algorithm.
pattern recognition algorithm.
searching algorithm.
clues.

45. What is the heart of knowledge discovery in database process.

Selection.
Data ware house.
Data mining.
Creative coding.

46. OLAP is used to explore the ___________ knowledge.

shallow.
deep.
multidimensional.
hidden.

47. The DB vendor who is able to operate massively parallel computers is

TCS.
IBM.
CTS.
Wipro.

48. SQL helps to find

the interesting data
hidden information
intermediate data
data under constraints that are already known

49. The ever increasing amount of data is compared to that of infinite library by Jorge Louis Borges in his short stories namely

the library of Louis.
the library of Borges.
the library of Babel.
the library of Boulevard.

50. In which approach data ware house is build first and all information needed is selected.

top-down.
client/server.
bottom-up.
DSS.

51. The information on two attributes is displayed in ____________ in scatter diagram.

visualization space.
scatter space.
cartesian space.
interactive space.

52. KDD describes the

whole process of extraction of knowledge from data
extraction of data
extraction of information
extraction of rules