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) 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
The correct answers to the above question in:
Answer: (a)
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Question : 1
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
Answer »Answer: (b)
Question : 2
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
Answer »Answer: (b)
Question : 3
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.
Answer »Answer: (b)
Question : 4
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
Answer »Answer: (b)
Question : 5
Deep knowledge referred to
a) It is hidden within a database and can only be recovered if one is given certain clues (an example IS encrypted information)
b) The process of executing implicit previously unknown and potentially useful information from dat(A)
c) An extremely complex molecule that occurs in human chromosomes and that carries genetic information in the form of genes.
d) None of these
Answer »Answer: (a)
Question : 6
Prediction is
a) The result of the application of a theory or a rule in a specific case
b) One of several possible enters within a database table that is chosen by the designer as the primary means of accessing the data in the table.
c) Discipline in statistics that studies ways to find the most interesting projections of multi-dimensional spaces.
d) None of these
Answer »Answer: (a)
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