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 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
The correct answers to the above question in:
Answer: (c)
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Question : 1
DB/2 is
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
Answer »Answer: (a)
Question : 2
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 : 3
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 : 4
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 : 5
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)
Question : 6
Cache 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) None of these
Answer »Answer: (a)
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