Data Analytics MCQ Unit-IV

 

UNIT- IV

 

1.      __________ is a general term that describes any effort to help people understand the significance of data by placing it in a visual context.

[A]   Data attribute

[B]   Data visualization

[C]   Both of the above

[D]  None of the above

 

2.      Data visualization is the ___________ representation of information and data.

[A]   Logical

[B]   Graphical

[C]   Text

[D]  Visual

 

3.      Data visualization tools provide an accessible way_____________________________.

[A]   To see and understand trends

[B]   To outliers

[C]   To patterns in data.

[D]  All Above

 

4.      Data Science is/are ________________.

[A]   Art

[B]   Science

[C]   Both art and science

[D]  Technique

 

5.      Data attributes is/are___________________.

[A]   Quantitative

[B]   Qualitative

[C]   Both quantities and qualitative

[D]  None of above 

 

6.      Quantitative data cannot take shape_____________________________________.

[A]   Ratio

[B]   Data on which perform arithmetic operations

[C]   Interval

[D]  Set of data on which perform arithmetic operations

 

7.      When time series is used?

[A]  A single variable is captured over period of time.

[B]   Categorical subdivision is ranked in ascending or descending order.

[C]   Categorical subdivision is compared against reference.

[D]  Comparing categorical subdivision in no particular order.

 

8.      When nominal comparison is used?

[A]   A single variable is captured over period of time.

[B]   Categorical subdivisions are ranked in ascending or descending order.

[C]   Categorical subdivision is compared against reference.

[D]  Comparing categorical subdivision in no particular order.

 

9.      When ranking is used?

[A]   A single variable is captured over period of time.

[B]   Categorical subdivisions are ranked in ascending or descending order.

[C]   Categorical subdivision is compared against reference.

[D]  Comparing categorical subdivision in no particular order.

 

10.  When deviation is used?

[A]   A single variable is captured over period of time.

[B]   Categorical subdivisions are ranked in ascending or descending order.

[C]   Categorical subdivision is compared against reference.

[D]  Comparing categorical subdivision in no particular order.

 

11.  When geospatial used?

[A]   A single variable is captured over period of time.

[B]   Categorical subdivisions are ranked in ascending or descending order.

[C]   Categorical subdivision is compared against reference.

[D]  None of above

 

12.  Qualitative data is/are____________________________.

[A]   Ordinal

[B]   Data with fixed ranking

[C]   Ordinal and Data with fixed ranking

[D]  Neither ordinal nor data with fixed ranking

 

13.  The steps for Interactive Visualization are_____________________.

[A]   Selecting, Filtering 

[B]   Selecting, Linking, Filtering, Rearranging 

[C]   Linking, Rearranging 

[D]  None of the above

 

14.  __________ is useful for relating information among multiple views.

[A]   Rearranging

[B]   Selecting

[C]   Linking

[D]  None of the above

 

15.  __________ helps users adjust the amount of information for display.

[A]   Rearranging

[B]   Filtering

[C]   Linking

[D]  None of the above

 

16.  For the visual encoding which variable is/are used?

[A]   Planer variable

[B]   Retinal variable

[C]   Both planner and retinal variable

[D]  Data variable 

 

17.  How many planer variables for visualisation?

[A]   7

[B]   5

[C]   2

[D]  None of the above

 

18.  How many retinal variables?

[A]  5

[B]   4

[C]   3

[D]  2

 

19.  Good Visual design based on

[A]   Psychology

[B]   Psychophysics

[C]   Psychology and Psychophysics

[D]  General Knowledge and Common sense

 

20.  __________ refers to making machines intelligent in a wide array of activities that involve thinking and reasoning.

[A]   Narrow AI

[B]   General AI

[C]   Both of the above

[D]  None of the above

 

21.  __________ involves the use of artificial intelligence for a very specific task.

[A]  Narrow AI

[B]   General AI

[C]   Both of the above

[D]  None of the above

 

22.  ____________ are applications that allow users to tap into the capabilities of their devices to automate their lives.

[A]  SmartApps

[B]   Data mining

[C]   Data warehouse

[D]  None of the above

 

23.  __________ use AI and machine learning to interact in a more intelligent way with people and surroundings.

[A]   Blockchain

[B]   Intelligent of Things (IOT)

[C]   Both of the above

[D]  None of the above

 

24.  A digital twin is a____________________________________________________.

[A]  Virtual representation that serves as the real-time digital counterpart of a physical object or process. 

[B]   Real representation that serves as the real-time digital counterpart of a physical object or process. 

[C]   Virtual representation that serves as the past digital counterpart of a physical object or process. 

[D]  Real representation that serves as the past digital counterpart of a physical object or process. 

 

25.  __________ can be used in the automobile sector for creating virtual model of a connected vehicle.

[A]   Blockchain

[B]   Digital Twins

[C]   Both of the above

[D]  None of the above

 

26.  Virtual reality is ___________________________________.

[A]   a perception of being physically present in a physical world.

[B]   a perception of being physically present in a non-physical world.

[C]   a perception of being logically present in a non-physical world.

[D]  a perception of being logically  present in a physical world.

 

27.   Augmented reality is used____________________________________.

[A]   To enhance virtual environments or situations and offer perceptually enriched experiences.
[B]   To enhance metal environments or situations and offer perceptually enriched experiences.
[C]   To enhance natural environments or situations and offer perceptually enriched experiences.
[D]  To enhance Psychological environments or situations and offer perceptually enriched experiences.

 

28.  Edge computing is _______________________.

[A]  Distributed computing

[B]   Time sharing computing

[C]   Real time computing

[D]  Offline Computing

 

29.  __________ describes a computing topology in which information processing and content collection and delivery are placed closer to the sources of this information.

[A]   Blockchain

[B]   Edge Computing

[C]   Both of the above

[D]  None of the above

 

30.  A blockchain is a type of?

[A]   Object

[B]   Database

[C]   Table

[D]  View

 

31.  A blockchain originally block chain, is a continuously growing list of records called block, which are linked and secured using ________________.

[A]   hash

[B]   Cryptogarphy

[C]   Both of the above

[D]  None of the above

 

32.  Key issues in big data visualization are_______________________________.

[A]   Availability of visualization specialists

[B]   Visualization hardware resources

[C]   Data quality

[D]  All of above

 

33.   Preattentive attributes are ___________________________________.

[A]   Natural properties that we notice without using conscious effort to do so.

[B]   Visual properties that notice without using conscious effort to do so.

[C]   Imaginary properties that we notice without using conscious effort to do so.

[D]  General properties that we notice without using conscious effort to do so.

 

34.  Which statement false about correlation matrix.

[A]   A correlation matrix is a table showing correlation coefficients between variables.

[B]   Each cell in the table shows the correlation between two variables.

[C]   A correlation matrix is not used to summarize data.

[D]  Correlation matrix Summarize data as an input into a more advanced analysis.