Live Education Quiz

1. Which data type is based on categories like colors or names?

A Quantitative

B Numerical

C Qualitative

D Statistical

2. What does data collection involve?

A Presenting data in charts

B Gathering raw data from sources

C Deleting data

D Printing reports

3. Which tool in a web browser is most commonly used by developers to find and fix errors in JavaScript code?

A The browser's console

B The history tab

C The settings menu

D The bookmarks bar

4. Which data science step comes just before decision making?

A Data visualization

B Data collection

C Data cleaning

D Data storage

5. A chart that shows data as a circle divided into slices is called a...?

A Line graph.

B Bar chart.

C Pie chart.

D Flowchart.

6. The process of cleaning and organizing raw data to make it suitable for analysis is called:

A Data Deletion.

B Data Preparation.

C Data Guessing.

D Data Hiding.

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

A <h6>

B <heading>

C <h1>

D <head>

8. Which loop is used when the number of iterations is known?

A while

B do-while

C for

D foreach

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

A <link>

B <img>

C <p>

D <a>

10. What is data science mainly concerned with?

A Writing computer games

B Extracting knowledge from data

C Repairing hardware

D Designing websites

11. What does 'data' mean in the context of data science?

A Only pictures and videos.

B A collection of facts, such as numbers, words, or measurements.

C Only the software on a computer.

D The physical parts of a computer like the mouse and keyboard.

12. Which stage of the Data Science Life Cycle involves presenting the findings to others?

A Data Acquisition.

B Data Preparation.

C Model Building.

D Communication.

13. Which type of loop in JavaScript continues to run as long as a specified condition is true?

A for loop

B while loop

C if statement

D switch statement

14. Which visualization is best for comparing percentages?

A Pie chart

B Line chart

C Scatter plot

D Histogram

15. What is the ultimate goal of analyzing data in data science?

A To create colourful charts.

B To make better decisions.

C To collect as much data as possible.

D To write long reports.

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

A Survey

B Printer

C Monitor

D Speaker

17. What is the final stage of the data science life cycle?

A Data collection

B Data cleaning

C Decision making or deployment

D Data visualization

18. Which life cycle stage checks data accuracy?

A Data collection

B Data cleaning

C Data visualization

D Decision making

19. Which stage involves interpreting results?

A Data collection

B Data cleaning

C Data analysis

D Data storage

20. Which of the following is the first step in the Data Science Life Cycle?

A Building a model.

B Collecting data.

C Visualizing data.

D Cleaning data.

21. Which CSS pseudo-class is used to select and style an element when you move your mouse over it?

A :hover

B :active

C :focus

D :link

22. Which CSS property is used to align text?

A align

B text-align

C font-align

D position

23. What is Data Science mainly about?

A Getting knowledge and insights from data.

B Creating computer hardware.

C Designing websites.

D Writing computer programs only.

24. The process of removing errors and inconsistencies from data is called?

A Data Cleaning.

B Data Collection.

C Data Modeling.

D Data Visualization.

25. What will the `console.log(typeof "Hello")` command show in the JavaScript console?

A number

B boolean

C object

D string

26. Which CSS property is used to make text bold?

A font-style

B text-weight

C font-weight

D bold

27. 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

28. What is the purpose of decision making in data science?

A To collect more data

B To take actions based on insights

C To clean data

D To visualize data

29. Which JavaScript method is used to add a new item to the end of an array?

A shift()

B pop()

C push()

D join()

30. 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

31. Which JavaScript statement is used for decision making?

A switch

B if

C else

D All of these

32. Which debugging technique involves checking output step by step?

A Dry run

B Tracing

C Testing

D Compilation

33. Which stage uses charts and graphs?

A Data cleaning

B Data visualization

C Data collection

D Data storage

34. Which skill is essential for a data scientist?

A Drawing skills

B Statistical analysis

C Hardware repair

D Typing speed

35. What is a set of step-by-step instructions for a computer to solve a problem called?

A An algorithm

B A variable

C A syntax

D A comment

36. Which HTML section contains metadata?

A <body>

B <meta>

C <head>

D <title>

37. Data that has been collected but has not been processed or cleaned is called:

A Final Data

B Clean Data

C Useful Data

D Raw Data

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

A CSS

B JavaScript

C HTML

D Python

39. Which HTML tag is used to collect user input?

A <form>

B <input>

C <textarea>

D <button>

40. What is often the first step in the Data Science Life Cycle?

A Data Acquisition (getting the data).

B Building a website for the data.

C Selling the final results.

D Presenting the conclusion.

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

A <image>

B <img>

C <pic>

D <src>

42. 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.

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

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