17cs416 - Data Science / Quiz

20 Questions | Total Attempts: 433

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17cs416 - Data Science / Quiz - Quiz

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Questions and Answers
  • 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();

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