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

Question : 21

Evolutionary computation is

a) Combining different types of method or information

b) Approach to the design of learning algorithms that is structured along the lines of the theory of evolution.

c) Decision support systems that contain an Information base filled with the knowledge of an expert formulated in terms of if-then rules.

d) None of these

Question : 22

Extendible architecture is

a) Modular design of a software application that facilitates the integration of new modules

b) Showing a universal law or rule to be invalid by providing a counter example

c) A set of attributes in a database table that refers to data in another table

d) None of these

Question : 23

Cardinality of an attribute 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

Question : 24

Coding is

a) Group of similar objects that differ significantly from other objects

b) Operations on a database to transform or simplify data in order to prepare it for a machine-learning algorithm

c) Symbolic representation of facts or ideas from which information can potentially be extracted

d) None of these

Question : 25

Parallelism is

a) General class of approaches to a problem.

b) Performing several computations simultaneously

c) Structures in a database those are statistically relevant.

d) Simple forerunner of modern neural networks, without hidden layers.