Live Education Quiz

1. Which JavaScript construct is used to repeat a block of code a certain number of times?

A if-else statement

B for loop

C function

D switch statement

2. What is the first stage of the data science life cycle?

A Data visualization

B Data collection

C Model deployment

D Data cleaning

3. Which step helps stakeholders understand results easily?

A Data visualization

B Data collection

C Data cleaning

D Data storage

4. Which CSS property is used to align text?

A align

B text-align

C font-align

D position

5. Which of the following is a common way to visually represent data?

A Writing a long paragraph.

B Creating a bar chart.

C Recording an audio file.

D Sending a text message.

6. Which algorithm is best for large sorted data?

A Linear search

B Binary search

C Bubble sort

D Insertion sort

7. What is the main purpose of Data Visualization?

A To store data in a database.

B To make the computer run faster.

C To represent data graphically for easy understanding.

D To write complex algorithms.

8. In JavaScript, what is used to make decisions and execute different code based on a condition?

A A loop

B A function

C A variable

D An if-else statement

9. Which tool in a web browser helps developers see errors and messages from their JavaScript code?

A The address bar

B The console

C The settings menu

D The history tab

10. Which chart is most suitable for continuous data?

A Line chart

B Pie chart

C Bar chart

D Table

11. Which HTML attribute is used to provide additional information about an element?

A class

B id

C style

D title

12. In programming, a set of step-by-step instructions to solve a problem is called a/an:

A Variable

B Function

C Comment

D Algorithm

13. Which HTML tag is used to create a hyperlink?

A <link>

B <a>

C <href>

D <url>

14. What is the main purpose of Data Visualization?

A To make data more complicated.

B To hide the important facts in data.

C To use as many colors as possible.

D To help understand trends and patterns easily.

15. What is an error in the code's grammar or spelling called?

A Runtime error

B Logical error

C Syntax error

D User error

16. Which algorithm compares each element with all others?

A Binary search

B Linear search

C Quick sort

D Merge sort

17. Which JavaScript statement is used for decision making?

A switch

B if

C else

D All of these

18. What is data science mainly concerned with?

A Writing computer games

B Extracting knowledge from data

C Repairing hardware

D Designing websites

19. In HTML5, which tag is used to define a footer for a document or a section?

A <bottom>

B <footer>

C <end>

D <section>

20. Which JavaScript loop runs at least once?

A for

B while

C do-while

D foreach

21. Which HTML tag is used to display an image on a webpage?

A <image>

B <img>

C <pic>

D <src>

22. Which HTML element is used for the largest heading?

A <h6>

B <heading>

C <h1>

D <head>

23. Which of the following is a source of data?

A Survey

B Printer

C Monitor

D Speaker

24. What is meant by data analysis?

A Collecting data

B Storing data

C Examining data to draw conclusions

D Deleting data

25. Which HTML tag is used to create a link to another web page?

A <link>

B <img>

C <p>

D <a>

26. Which visualization is best for showing frequency distribution?

A Histogram

B Pie chart

C Line chart

D Map

27. Which stage involves interpreting results?

A Data collection

B Data cleaning

C Data analysis

D Data storage

28. Which step converts raw data into useful information?

A Data cleaning

B Data analysis

C Data storage

D Data collection

29. Which of the following is a data visualization tool?

A Spreadsheet charts

B Compiler

C Antivirus

D Text editor

30. Which CSS property is used to add rounded corners to an element?

A border-style

B border-radius

C corner-style

D box-shadow

31. Which stage comes after data collection?

A Data cleaning

B Data visualization

C Deployment

D Decision making

32. Which visualization helps identify relationships between variables?

A Pie chart

B Bar chart

C Scatter plot

D Table

33. Which language is used to define the structure and content of a web page?

A CSS

B JavaScript

C HTML

D Python

34. Which JavaScript function displays a message box?

A prompt()

B confirm()

C alert()

D message()

35. Which JavaScript structure can store key-value pairs?

A Array

B Object

C Function

D Loop

36. What is the final stage of the data science life cycle where the results are shared with others?

A Data Acquisition

B Data Preparation

C Communication / Visualization

D Asking a question

37. Which HTML section contains metadata?

A <body>

B <meta>

C <head>

D <title>

38. Which testing method checks individual units of code?

A System testing

B Integration testing

C Unit testing

D Acceptance testing

39. Which CSS property is used to change the background color of an element?

A color

B bgcolor

C background-color

D background-style

40. Which CSS property controls the size of text?

A text-size

B font-weight

C font-size

D text-style

Unit 3: Programming Fundamentals + Unit 4: Data and Analysis

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