Data Mining & Data Ware House Questions and Answers

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Q11
Artificial intelligence is
  • A It uses machine-learning techniques. Here rogram can learn from past experience and adapt themselves to new situations
  • B Computational procedure that take some value as input and produces some value as output
  • C Science of making machines performs tasks that would require intelligence when erformed by humans
  • D None of these
Answer: Option C
Q12
Cache is
  • A It is memry buffer that is used to store data that is needed frequently by an algorithm in order to minimize input/output traffic
  • B the number of different values that a given attribute can take
  • C A mathematical conception of space where the location of a point is given by reference to its distance from two or three axes intersecting at right angles
  • D None of these
Answer: Option A
Q13
Cardinality of an atrribute is
  • A It is a memory buffer that is used to store data that is needed frequently by an algorithm in order to minimize input/output traffic
  • B The number of different values that a given atrribute can take
  • C A mathematicall conception of space where the location of a point is given by reference to its distance from two or three axes intersecting at right angles
  • D None of these
Answer: Option B
Q14
Cartesian space is
  • A It is a memory buffer that is used to store data that is needed frequently by an algorithm in order to minimize input/output traffic
  • B The number of different values that a given attribute can take
  • C A mathematical conception of space where the location of a point is given by reference to its distance from two or three axes intersecting at right angles
  • D Non of these
Answer: Option A
Q15
Classification is
  • A A subdivision of a set of examples into a number of classes
  • B A 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
Answer: Option A
Q16
Classification accuracy is
  • A A subdividion 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
Answer: Option B
Q17
Cluster is
  • A Group of similar objects that differ significantly from other objects
  • B Operations on a database to transform or simplfy data in order to prepare it for a machine-learning algorithm
  • C Symbolic representation of facts or ideal from which information can potentially be exatracted
  • D None of these
Answer: Option A
Q18
Data 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 Symbjolic representation of facts or ideal from which information can potentially be extracte (D)
  • D None of these
Answer: Option C
Q19
A definition of a concept is ______ if it recognizes all the instances of that concept.
  • A Complete
  • B Consistent
  • C Cosnstant
  • D None of these
Answer: Option A
Q20
A definition or a concept is _________ if it does not classiy any examples as coming within the concept.
  • A Complete
  • B Consistent
  • C Constant
  • D None of these
Answer: Option B

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