data mining and data ware house Practice Questions Answers Test with Solutions & More Shortcuts

Question : 11

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

Question : 12

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

Question : 13

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

Question : 14

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

Question : 15

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