Data Mining and Data Warehouse MCQs with answers Page - 38

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Q. Quantitative attributes are

  • (A) A reference to the speed of an algorithm, which is quadratically dependent on the size of the dat(A)
  • (B) Attributes of a database table that can take only numerical values.
  • (C) Tools designed to query a database.
  • (D) None of these

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Q. Unsupervised algorithms

  • (A) It do not need the control of the human operator during their execution.
  • (B) An arrow in a multi-dimensional space. It is a quantity usually characterized by an ordered set of scalars.
  • (C) The validation of a theory on the basis of a finite number of examples.
  • (D) None of these

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Q. Vector

  • (A) It do not need the control of the human operator during their execution.
  • (B) An arrow in a multi-dimensional space. It is a quantity usually characterized by an ordered set of scalars.
  • (C) The validation of a theory on the basis of a finite number of examples.
  • (D) None of these

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Q. Verification

  • (A) It does not need the control of the human operator during their execution.
  • (B) An arrow in a multi-dimensional space. It is a quantity usually characterized by an ordered set of scalars.
  • (C) The validation of a theory on the basis of a finite number of examples
  • (D) None of these

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Q. Visualization techniques are

  • (A) A class of graphic techniques used to visualize the contents of a database
  • (B) The division of a certain space into various areas based on guide points.
  • (C) A branch that connects one node to another
  • (D) None of these

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Q. Voronoi diagram

  • (A) A class of graphic techniques used to visualize the contents of a database
  • (B) The division of a certain space into various areas based on guide points.
  • (C) A branch that connects one node to another
  • (D) None of these

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Q. Synapse is

  • (A) A class of graphic techniques used to visualize the contents of a database
  • (B) The division of a certain space into various areas based on guide points.
  • (C) A branch that connects one node to another
  • (D) None of these

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Q. The transformed prefix paths of a node 'a' form a truncated database of pattern which co-occur with a is called _______.

  • (A) suffix path.
  • (B) fp-tree.
  • (C) conditional pattern base.
  • (D) prefix path.

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Q. SOMs are used to cluster a specific _____________ dataset containing information about the patient's drugs etc.

  • (A) physical.
  • (B) logical.
  • (C) medical.
  • (D) technical.

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Q. The biological neuron's _________ is a continuous function rather than a step function.

  • (A) read.
  • (B) write.
  • (C) output.
  • (D) input.

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