21. Classification accuracy is
A. A subdivision of a set of examples into a number of classes
B. Measure of the accuracy, of the classification of a concept that is given by a certain theory
C. The task of assigning a classification to a set of examples
D. None of these
Ans: B
22. Biotope are
A. This takes only two values. In general, these values will be 0 and 1
and they can be coded as one bit.
B. The natural environment of a certain species
C. Systems that can be used without knowledge of internal operations
D. None of these
Ans: B
23. Cluster is
A. Group of similar objects that differ significantly from other objects
B. Operations on a database to transform or simplify data in order to prepare it for a machine-learning algorithm
C. Symbolic representation of facts or ideas from which information can potentially be extracted
D. None of these
Ans: A
24. Black boxes are
A. This takes only two values. In general, these values will be 0 and 1
and they can be coded as one bit.
B. The natural environment of a certain species
C. Systems that can be used without knowledge of internal operations
D. None of these
Ans: C
25. A definition of a concept is if it recognizes all the instances of that concept
A. Complete
B. Consistent
C. Constant
D. None of these
Ans: A
26. Data mining is
A. The actual discovery phase of a knowledge discovery process
B. The stage of selecting the right data for a KDD process
C. A subject-oriented integrated time variant non-volatile collection of data in support of management
D. None of these
Ans: A
27. A definition or a concept is if it classifies any examples as coming within the concept
A. Complete
B. Consistent
C. Constant
D. None of these
Ans: B
28. Data independence means
A. Data is defined separately and not included in programs
B. Programs are not dependent on the physical attributes of data.
C. Programs are not dependent on the logical attributes of data
D. Both (B) and (C).
Ans: D
29. E-R model uses this symbol to represent weak entity set?
A. Dotted rectangle
B. Diamond
C. Doubly outlined rectangle
D. None of these
Ans: C
30. SET concept is used in
A. Network Model
B. Hierarchical Model
C. Relational Model
D. None of these
Ans: D
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A. A subdivision of a set of examples into a number of classes
B. Measure of the accuracy, of the classification of a concept that is given by a certain theory
C. The task of assigning a classification to a set of examples
D. None of these
Ans: B
22. Biotope are
A. This takes only two values. In general, these values will be 0 and 1
and they can be coded as one bit.
B. The natural environment of a certain species
C. Systems that can be used without knowledge of internal operations
D. None of these
Ans: B
23. Cluster is
A. Group of similar objects that differ significantly from other objects
B. Operations on a database to transform or simplify data in order to prepare it for a machine-learning algorithm
C. Symbolic representation of facts or ideas from which information can potentially be extracted
D. None of these
Ans: A
24. Black boxes are
A. This takes only two values. In general, these values will be 0 and 1
and they can be coded as one bit.
B. The natural environment of a certain species
C. Systems that can be used without knowledge of internal operations
D. None of these
Ans: C
25. A definition of a concept is if it recognizes all the instances of that concept
A. Complete
B. Consistent
C. Constant
D. None of these
Ans: A
26. Data mining is
A. The actual discovery phase of a knowledge discovery process
B. The stage of selecting the right data for a KDD process
C. A subject-oriented integrated time variant non-volatile collection of data in support of management
D. None of these
Ans: A
27. A definition or a concept is if it classifies any examples as coming within the concept
A. Complete
B. Consistent
C. Constant
D. None of these
Ans: B
28. Data independence means
A. Data is defined separately and not included in programs
B. Programs are not dependent on the physical attributes of data.
C. Programs are not dependent on the logical attributes of data
D. Both (B) and (C).
Ans: D
29. E-R model uses this symbol to represent weak entity set?
A. Dotted rectangle
B. Diamond
C. Doubly outlined rectangle
D. None of these
Ans: C
30. SET concept is used in
A. Network Model
B. Hierarchical Model
C. Relational Model
D. None of these
Ans: D
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