data mining & data ware house set 2 Detailed Explanation And More Example
MOST IMPORTANT computer mcq - 2 EXERCISES
The following question based on data mining and data ware house topic of computer mcq
(a) An algorithm that can learn
(b) A sub-discipline of computer science that deals with the design and implementation of learning algorithms.
(c) A machine-learning approach that abstracts from the actual strategy of an individual algorithm and can therefore be applied to any other form of machine learning.
(d) None of these
The correct answers to the above question in:
Answer: (a)
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Question : 1
Machine learning is
a) An algorithm that can learn
b) A sub-discipline of computer science that deals with the design and implementation of learning algorithms.
c) An approach that abstracts from the actual strategy of an individual algorithm and can therefore be applied to any other form of machine learning.
d) None of these
Answer »Answer: (b)
Question : 2
Key is referred to
a) Non-trivial extraction of implicit previously unknown and potentially useful information from dat(A)
b) Set of columns in a database table that can be used to identify each record within this table uniquely
c) collection of interesting and useful patterns in a database
d) none of these
Answer »Answer: (b)
Question : 3
Data selection 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 timevariant non-volatile collection of data in support of management
d) None of these
Answer »Answer: (b)
Question : 4
Query tools 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
Answer »Answer: (c)
Question : 5
Enrichment is
a) A stage of the KDD process in which new data is added to the existing selection
b) The process of finding a solution for a problem simply by enumerating all possible solutions according to some pre-defined order and then testing them.
c) The distance between two points as calculated using the Pythagoras theorem.
d) None of these
Answer »Answer: (a)
Question : 6
Statistics
a) The science of collecting, organizing, and applying numerical facts
b) Measure of the probability that a certain hypothesis is incorrect given certain observations.
c) One of the defining aspects of a data warehouse, which is specially built around all the existing applications of the operational dat(A)
d) None of these
Answer »Answer: (a)
GET data mining and data ware house PRACTICE TEST EXERCISES
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