data mining & data ware house set 2 Detailed Explanation And More Example

Question : 1

Perceptron 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.

Question : 2

Operational database is

a) A measure of the desired maximal complexity of data mining algorithms

b) A database containing volatile data used for the daily operation of an organization

c) Relational database management system

d) None of these

Question : 3

Multi-dimensional knowledge is

a) A class of learning algorithms that try to derive a Prolog program from examples

b) A table with n independent attributes can be seen as an n- dimensional space

c) A prediction made using an extremely simple method, such as always predicting the same output.

d) None of these

Question : 4

Massively parallel machine is

a) A programming language based on logic

b) A computer where each processor has its own operating system, its own memory, and its own hard disk

c) Describes the structure of the contents of a database.

d) None of these

Question : 5

Euclidean distance measure 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

Question : 6

Falsification 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