Data Mining & Data Ware House Set 1 Detailed Explanation And More Example

Question : 1

Meta-data 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 : 2

Cluster 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 : 3

Heuristic is

a) A set of databases from different vendors, possibly using different database paradigms

b) An approach to a problem that is not guaranteed to work but performs well in most cases.

c) Information that is hidden in a database and that cannot be recovered by a simple SQL query.

d) None of these

Question : 4

Biotope are

a) This takes only two values. In general, these values will be 0 and 1 and they can be coded as one bit.

b) The natural environment of a certain species

c) Systems that can be used without knowledge of internal operations

d) None of these

Question : 5

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.

Question : 6

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