Top 80+ Solved Data Mining MCQ Questions Answer
Q. Discovery is
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 data.
c. an extremely complex molecule that occurs in human chromosomes and that carries genetic information in the form of genes.
d. none of these
Q. 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
Q. Hidden knowledge referred to
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
Q. Enrichment 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
Q. Heterogeneous databases referred to
a. a set of databases from different b 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
Q. Enumeration is referred to
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
Q. 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
Q. Hybrid learning is
a. machine-learning involving different techniques
b. the learning algorithmic analyzes the examples on a systematic basis 2nd makes incremental adjustments to the theory that is learned
c. learning by generalizing from examples
d. none of these
Q. Kohonen self-organizing map referred to
a. the process of finding the right formal representation of a certain body of knowledge in order to represent it in a knowledge-based system
b. it automatically maps an external signal space into a system\s internal representational space. they are useful in the performance of classification tasks
c. a process where an individual learns how to carry out a certain task when making a transition from a situation in which the task cannot be carried out to a situation in which the same\ task under the same circumstances can be carried out.
d. none of these
Q. Incremental learning referred to
a. machine-learning involving different techniques
b. the learning algorithmic analyzes the examples on a systematic basis and makes incremental adjustments to the theory that is learned
c. learning by generalizing from examples
d. none of these
Q. Knowledge engineering is
a. the process of finding the right formal representation of a certain body of knowledge in order to represent it in a knowledge-based system
b. it automatically maps an external signal space into a system\s internal representational space. they are useful in the performance of classification tasks.
c. a process where an individual learns how to carry out a certain task when making a transition from a situation in which the task cannot be carried out to a situation in which the same task under the same circumstances can be carried out.
d. none of these
Q. Information content is
a. the amount of information with in data as opposed to the amount of redundancy or noise.
b. one of the defining aspects of a data warehouse
c. restriction that requires data in one column of a database table to the a subset of another-column.
d. none of these
Q. Inductive learning is
a. machine-learning involving different techniques
b. the learning algorithmic analyzes the examples on a systematic basis and makes incremental adjustments to the theory that is learned
c. learning by generalizing from examples
d. none of these
Q. Inclusion dependencies
a. the amount of information with in data as opposed to the amount of redundancy or noise
b. one of the defining aspects of a data warehouse
c. restriction that requires data in one column of a database table to the a subset of another-column
d. none of these
Q. KDD (Knowledge Discovery in Databases) is referred to
a. non-trivial extraction of implicit previously unknown and potentially useful information from data
b. set of columns in a database table that can be used to identify each record within this table uniquely.
c. collection of interesting and useful patterns in a database
d. none of these