Deck 1: Knowledge Management and Decision Making

Question 1

In decision making step of Knowledge Management process the _____ is used for decision making.

A)Data
B)Knowledge
C)Information
D)Metadata

Answer 1

Knowledge

Question 2

People are ultimately the ______ of knowledge.

A)Storage
B)Gainer
C)Holders
D)Acquire

Answer 2

Holders

Question 3

_______ is a way of making a computer, a computer-controlled robot, or a software think intelligently, in the similar manner the intelligent humans think.

A)Machine Intelligence
B)Artificial Intelligence
C)Linguistic Intelligence
D)Naturalistic Intelligence

Answer 3

Artificial Intelligence

Question 4

Data, information and past experience combined together are termed as _______.

A)Intelligence
B)Knowledge
C)Expert systems
D)Data driven systems

Question 5

JESS is an abbreviation for ________.

A)Java Enhanced System Sell
B)Java Expert System Sell
C)Java Expert Sub System
D)Java Enhanced Sub System

Question 6

Business intelligence (BI) is a broad category of application programs which includes :

A)Decision support
B)Data mining
C)OLAP
D)All of the mentioned

Question 7

Which of following is not phase of decision making process

A)Design
B)Analysis
C)Intelligence
D)Choice

Question 8

Decision support systems are essential for

A)Day-to-day operation of an organization.
B)Providing statutory information.
C)Top level strategic decision making.
D)Ensuring that organizations are profitable.

Question 9

Computer information system are most successful in providing information for:

A)Control decisions
B)Planning decision
C)Strategic decision
D)None of the above

Question 10

Which of the following describes the order in which customers are extracted from the line to be admitted to the service?

A)Population
B)Arrivals
C)Waiting lines
D)Line rules

Question 11

''To anticipate the value that a random variable will assume in the future or to estimate the likelihood of the future events'' is the purpose of?

A)Interpretation
B)Prediction
C)Data mining
D)A & B both

Question 12

If the distribution of values of the attribute aj is roughly normal, the z index based transformaltion generates values that are almost certainly within the range.

A)(-3,3)
B)(-2,2)
C)(-4,4)
D)(-1,1)

Question 13

The purpose of ________ is to obtain a decrease in the number of distinct values assumed by one or more attributes.

A)Data Validation
B)Data Transformation
C)Data Reduction
D)Data Noise

Question 14

PCA is

A)Projection Combination Analysis
B)Principal Combination Analysis
C)Principal Component Analysis..
D)Projection Combination Analysis.

Question 15

Which of the following is required by K-means clustering?

A)defined distance metric
B)number of clusters
C)initial guess as to cluster centroids
D)all of the mentioned

Question 16

Point out the wrong statement.

A)k-means clustering is a method of vector quantization
B)k-means clustering aims to partition n observations into k clusters
C)k-nearest neighbor is same as k-means
D)none of the mentioned

Question 17

Which of the following clustering requires merging approach?

A)Partitional
B)Hierarchical
C)Naive Bayes
D)None of the mentioned

Question 18

Which of the following gave rise to need of graphs in data analysis?

A)Data visualization
B)Communicating results
C)Decision making
D)All of the mentioned

Question 19

Which of the following is characteristic of exploratory graph?

A)Made slowly
B)Axes are not cleaned up
C)Color is used for personal information
D)All of the mentioned

Question 20

Which of the following information is not given by five-number summary?

A)Mean
B)Median
C)Mode
D)All of the mentioned

Question 21

Which of the following graph can be used for simple summarization of data?

A)Scatterplot
B)Overlaying
C)Barplot
D)All of the mentioned

Question 22

Which of the following problem is solved by reproducibility?

A)Scalability
B)Data availability
C)Improved data analysis
D)None of the mentioned