17cs416 - Data Science / Quiz

20 Questions | By Poorani.g | Last updated: Mar 21, 2022 | Total Attempts: 433

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1.

Which of the following would be more appropriate to be replaced with question mark in the following figure ?
- A.
  
  Data Analysis
- B.
  
  Data Science
- C.
  
  Descriptive Analytics
- D.
  
  None of the mentioned
2.

Which of the following is one of the key data science skill ?
- A.
  
  Statistics
- B.
  
  Machine Learning
- C.
  
  Data Visualization
- D.
  
  All of the above Mentioned
3.

What is the correct JavaScript syntax to change the content of the HTML element below? <p id="demo">This is a demonstration.</p>
- A.
  
  Document.getElementById("demo").innerHTML = "Hello World!";
- B.
  
  #demo.innerHTML = "Hello World!";
- C.
  
  Document.getElement("p").innerHTML = "Hello World!";
- D.
  
  Document.getElementByName("p").innerHTML = "Hello World!";
4.

Who is a data scientist?
- A.
  
  Software programmer
- B.
  
  Mathematician
- C.
  
  Statistician
- D.
  
  All of the above
5.

Which of the following is most important language for Data Science ?
- A.
  
  Java
- B.
  
  Ruby
- C.
  
  R
- D.
  
  None of the above Mentioned
6.

How do you create a function in JavaScript?
- A.
  
  Function = myFunction( )
- B.
  
  Function:myFunction( )
- C.
  
  Function myFunction( )
7.

What is the correct way to write a JavaScript array?
- A.
  
  Var colors = (1:”red”, 2:”green”, 3:”blue”)
- B.
  
  Var colors = 1 = (“red”, “green”, “blue”
- C.
  
  Var colors = 1 = (“red”), 2 = (“green”), 3 = (“blue”)
- D.
  
  Var colors = [“red”, “green”, “blue”]
8.

Which feature was already introduced before HTML5?
- A.
  
  Canvas/SVG
- B.
  
  Video
- C.
  
  Geolocation
- D.
  
  Frames
9.

Graph which shows changes over a specific time period is called ___________.
- A.
  
  Meridian Graph
- B.
  
  Pie Graph
- C.
  
  Line Graph
- D.
  
  Bar Graph
10.

Which attribute is used to provide an advisory text about an element or its contents?
- A.
  
  Title
- B.
  
  Tooltip
- C.
  
  Dir
- D.
  
  Head
11.

Horizontal axis of bar graph is also known as __________.
- A.
  
  V-axis
- B.
  
  Y-axis
- C.
  
  H-axis
- D.
  
  X-axis
12.

Which type of stage provide storage for both perception and interpretation-evaluation?
- A.
  
  Stimulation
- B.
  
  Organization
- C.
  
  Memory
- D.
  
  Interpretation-Evaluation
13.

A small piece of program that can add interactivity to your website is called as __________.
- A.
  
  Meta
- B.
  
  Script
- C.
  
  Marquee
- D.
  
  All of the above
14.

CSS padding Property is used for?
- A.
  
  Space
- B.
  
  Border
- C.
  
  Background Color
- D.
  
  Margin
15.

A ____________ is a type of stacked area graph which is displaced around a central axis, resulting in a flowing, organic shape.
- A.
  
  Gantt Chart
- B.
  
  Stream Graph
- C.
  
  Line Graph
- D.
  
  Pie Chart
16.

_________________ are the types of heat maps.
- A.
  
  Biology Heat Maps
- B.
  
  Tree Map
- C.
  
  A Mosaic plot
- D.
  
  All of the above
17.

____________________ is a procedure that takes place during the text indexing process in order to assess the value of each term to the document.
- A.
  
  Word Tree
- B.
  
  Bag of Words
- C.
  
  Keyword Weighting
- D.
  
  Tag Cloud
18.

__________________ words are reduced to a root by removing inflection through dropping unnecessary characters, usually a suffix.
- A.
  
  Stemming
- B.
  
  Lemmatization
- C.
  
  Removing stop words
- D.
  
  None of the above.
19.

Which of the following type of variable is visible only within a function where it is defined?
- A.
  
  Global Variable
- B.
  
  Local Variable
- C.
  
  Both of the above
- D.
  
  None of the above
20.

Which of the following is the correct syntax to print a page using java script?
- A.
  
  Window.print();
- B.
  
  Browser.print();
- C.
  
  Navigator.print();
- D.
  
  Document.print();