1. The ___________is a long, single fibre that originates from the cell body.
Correct : A. axon.
2. A single axon makes ___________ of synapses with other neurons.
Correct : C. thousands.
3. _____________ is a complex chemical process in neural networks.
Correct : C. transmission process.
4. _________ is the connectivity of the neuron that give simple devices their real power. a. b. c. d.
Correct : D. fire.
5. __________ are highly simplified models of biological neurons.
Correct : A. artificial neurons.
6. The biological neuron's _________ is a continuous function rather than a step function.
Correct : C. output.
7. The threshold function is replaced by continuous functions called ________ functions.
Correct : A. activation.
8. The sigmoid function also knows as __________functions.
Correct : B. logistic.
9. MLP stands for ______________________.
Correct : D. multi layer perception.
10. In a feed- forward networks, the conncetions between layers are ___________ from input to output.
Correct : B. unidirectional.
11. The network topology is constrained to be __________________.
Correct : A. feedforward.
12. RBF stands for _____________.
Correct : A. radial basis function.
13. RBF have only _______________ hidden layer.
Correct : D. one.
14. RBF hidden layer units have a receptive field which has a ____________; that is, a particular input
value at which they have a maximal output.
Correct : C. centre.
15. ___________ training may be used when a clear link between input data sets and target output values
does not exist.
Correct : D. unsupervised.
16. ___________ employs the supervised mode of learning.
Correct : C. mlp & rbf.
17. ________________ design involves deciding on their centres and the sharpness of their Gaussians.
Correct : D. rbf.
18. ___________ is the most widely applied neural network technique.
Correct : D. mlp.
19. SOM is an acronym of _______________.
Correct : A. self-organizing map.
20. ____________ is one of the most popular models in the unsupervised framework.
Correct : A. som.
21. The actual amount of reduction at each learning step may be guided by _________.
Correct : C. learning rate.
22. The SOM was a neural network model developed by ________.
Correct : B. teuvokohonen.
23. SOM was developed during ____________.
Correct : D. 1979 -82.
24. Investment analysis used in neural networks is to predict the movement of _________ from previous
data.
Correct : B. stock.
25. SOMs are used to cluster a specific _____________ dataset containing information about the patient's
drugs etc.
Correct : C. medical.
26. GA stands for _______________.
Correct : A. genetic algorithm
27. GA was introduced in the year __________.
Correct : C. 1975.
28. Genetic algorithms are search algorithms based on the mechanics of natural_______.
Correct : B. genetics.
29. GAs were developed in the early _____________.
Correct : A. 1970.
30. The RSES system was developed in ___________.
Correct : A. poland.
31. Crossover is used to _______.
Correct : A. recombine the population\s genetic material.
32. The mutation operator ______.
Correct : B. introduce new genetic structures in the population.
33. Which of the following is an operation in genetic algorithm?
Correct : D. all of the above.
34. . ___________ is a system created for rule induction.
Correct : D. lers.
35. NLP stands for _________.
Correct : D. natural language processing.
36. Web content mining describes the discovery of useful information from the _______contents.
Correct : B. web.
37. Research on mining multi-types of data is termed as _______ data.
Correct : B. multimedia.
38. _______ mining is concerned with discovering the model underlying the link structures of the web.
Correct : B. web structure.
39. _________ is the way of studying the web link structure.
Correct : C. social network.
40. The ________ propose a measure of standing a node based on path counting.
Correct : B. close web.
41. In web mining, _______ is used to find natural groupings of users, pages, etc.
Correct : A. clustering.
42. In web mining, _________ is used to know the order in which URLs tend to be accessed.
Correct : C. sequential analysis.
43. In web mining, _________ is used to know which URLs tend to be requested together.
Correct : B. associations.
44. __________ describes the discovery of useful information from the web contents.
Correct : A. web content mining.
45. _______ is concerned with discovering the model underlying the link structures of the web.
Correct : B. web structure mining.
46. The ___________ engine for a data warehouse supports query-triggered usage of data
Correct : C. olap
47. ________ displays of data such as maps, charts and other graphical representation allow data to be
presented compactly to the users.
Correct : B. visual
48. __________ is a subject-oriented, integrated, time-variant, nonvolatile collection of data in support
of management decisions.
Correct : B. data warehousing.
49. The important aspect of the data warehouse environment is that data found within the data
warehouse is___________.
Correct : D. all of the above.
50. _________maps the core warehouse metadata to business concepts, familiar and useful to end
users.
Correct : A. application level metadata.
51. Data redundancy between the environments results in less than ____________percent.
Correct : A. one.
52. Bill Inmon has estimated___________of the time required to build a data warehouse, is consumed
in the conversion process.
Correct : D. 80 percent.
53. The biggest drawback of the level indicator in the classic star-schema is that it limits_________
Correct : C. flexibility.
54. Maintenance of cache consistency is the limitation of __________________.
Correct : C. mpp.
55. ___________ of data means that the attributes within a given entity are fully dependent on the
entire primary key of the entity.
Correct : C. functional dependency.
56. Non-additive measures can often combined with additive measures to create new _________..
Correct : A. additive measures.
57. ____________ of data means that the attributes within a given entity are fully dependent on the
entire primary key of the entity.
Correct : C. functional dependency.
58. _____________ helps to uncover hidden information about the data..
Correct : C. approximation.
59. If T consist of 500000 transactions, 20000 transaction contain bread, 30000 transaction contain
jam, 10000 transaction contain both bread and jam. Then the support of bread and jam is _______.
Correct : A. 2%
60. 7 If T consist of 500000 transactions, 20000 transaction contain bread, 30000 transaction contain
jam, 10000 transaction contain both bread and jam. Then the confidence of buying bread with jam is
_______.
Correct : D. 50%
61. The _______ step eliminates the extensions of (k-1)-itemsets which are not found to be frequent,
from being considered for counting support.
Correct : B. pruning.
62. The transformed prefix paths of a node 'a' form a truncated database of pattern which co-occur
with a is called _______.
Correct : C. conditional pattern base.
63. __________ clustering techniques starts with all records in one cluster and then try to split that
cluster into small pieces.
Correct : B. divisive.
64. BIRCH is a ________..
Correct : C. hierarchical-agglomerative algorithm.
65. The ________ algorithm is based on the observation that the frequent sets are normally very few
in number compared to the set of all itemsets.
Correct : D. partition.
66. The basic idea of the apriori algorithm is to generate________ item sets of a particular size &
scans the database.
Correct : A. candidate.
67. ________is the most well known association rule algorithm and is used in most commercial
products.
Correct : A. apriori algorithm.
68. An algorithm called________is used to generate the candidate item sets for each pass after the
first.
Correct : B. apriori-gen.
69. ___________can be thought of as classifying an attribute value into one of a set of possible
classes.
Correct : B. prediction.
70. ____________ are a different paradigm for computing which draws its inspiration from
neuroscience.
Correct : B. neural networks.
71. In a feed- forward networks, the conncetions between layers are ___________ from input to
output.
Correct : B. unidirectional.
72. ___________ training may be used when a clear link between input data sets and target output
values does not exist.
Correct : D. unsupervised.
73. Investment analysis used in neural networks is to predict the movement of _________ from
previous data.
Correct : B. stock.
74. SOMs are used to cluster a specific _____________ dataset containing information about the
patient's drugs etc.
Correct : C. medical.
75. _______ is concerned with discovering the model underlying the link structures of the web..
Correct : B. web structure mining.
76. A link is said to be _________ link if it is between pages with different domain names.
Correct : B. transverse.
77. A link is said to be _______ link if it is between pages with the same domain name.
Correct : A. intrinsic.
78. Patterns that can be discovered from a given database are which type
Correct : A. more than one type
79. A snowflake schema is which of the following types of tables?
Correct : D. all of the above
80. Which one manages both current and historic transactions?
Correct : B. olap
81. Expansion for DSS in DW is__________.
Correct : A. decision support system
82. __________describes the data contained in the data warehouse
Correct : C. meta data
83. Converting data from different sources into a common format for processing is called as________.
Correct : C. transformation
84. Data warehousing is used in_______________
Correct : C. decision support system
85. Data warehouse is based on_____________
Correct : C. multi dimensional model
86. Multidimensional model of data warehouse called as_____
Correct : D. data cube
87. In data warehousing what is time-variant data?
Correct : A. data in the warehouse is only accurate and valid at some point in time or over time interval
88. What is a Star Schema?
Correct : A. a star schema consists of a fact table with a single table for each dimension
89. What does the acronym ETL stands for?
Correct : B. extract,transform and load
90. Which small logical units do data warehouses hold large amounts of information?
Correct : B. data marts
91. Which one is correct for data warehousing?
Correct : C. it is designed for focus subject areas
92. A fact table is related to dimensional table as a ___ relationship
Correct : C. m:1
93. Minkowski distance is a function used to find the distance between two
Correct : C. real-valued vectors
94. Data set of designation {Professor, Assistant Professor, Associate Professor} is example of__________attribute.
Correct : D. nominal
95. Identify the correct example of Nominal Attributes.
Correct : B. income categories - high, medium, low
96. When objects are represented using single attribute, the proximity value 1 indicates :
Correct : A. objects are similar
97. Identity correct equation of Jacard Coefficient:
Correct : A. j= f11/f01+f10+f11
98. What equation we get when r parameter =2 in Minskowski Distance formula?
Correct : B. euclidean distance
99. ________is a generalization of Manhattan, Euclidean and Max Distance