data mining & data ware house set 1 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) A family of relational database management systems marketed by IBM
(b) Interactive systems that enable decision makers to use databases and models on a computer in order to solve illstructured problems
(c) It consists of nodes and branches starting from a single root node. Each node represents a test, or decision.
(d) None of these
The correct answers to the above question in:
Answer: (a)
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Question : 1
Background knowledge referred to
a) Additional acquaintance used by a learning algorithm to facilitate the learning process
b) A neural network that makes use of a hidden layer.
c) It is a form of automatic learning.
d) None of these
Answer »Answer: (a)
Question : 2
Artificial intelligence is
a) It uses machine-learning techniques. Here program can learn from past experience and adapt themselves to new situations
b) Computational procedure that takes some value as input and produces some value as output.
c) Science of making machines performs tasks that would require intelligence when performed by humans
d) None of these
Answer »Answer: (c)
Question : 3
Information content is
a) The amount of information with in data as opposed to the amount of redundancy or noise
b) One of the defining aspects of a data warehouse
c) Restriction that requires data in one column of a database table to the a subset of another-column.
d) None of these
Answer »Answer: (a)
Question : 4
Classification task referred to
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 »Answer: (c)
Question : 5
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
Answer »Answer: (a)
Question : 6
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
Answer »Answer: (a)
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