Live Education Quiz

1

What is the main purpose of an algorithm?

A

Store data

B

Design webpages

C

Solve a problem step by step

D

Write HTML code

2

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

3

Which algorithm compares each element with all others?

A

Binary search

B

Linear search

C

Quick sort

D

Merge sort

4

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

5

What does qualitative data describe?

A

Numbers only

B

Measurements

C

Qualities or characteristics

D

Calculations

6

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

A

<link>

B

<img>

C

<p>

D

<a>

7

Which debugging technique involves checking output step by step?

A

Dry run

B

Tracing

C

Testing

D

Compilation

8

What type of data is represented using numbers?

A

Qualitative data

B

Quantitative data

C

Text data

D

Image data

9

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

10

Which software is commonly used for basic data visualization?

A

Spreadsheet software

B

Operating system

C

Antivirus software

D

Compiler

11

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.

12

Which step helps stakeholders understand results easily?

A

Data visualization

B

Data collection

C

Data cleaning

D

Data storage

13

A map showing the population in different cities of a country is an example of:

A

Data Visualization.

B

A text document.

C

A computer program.

D

A spreadsheet formula.

14

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.

15

What is the main benefit of data science?

A

Increased typing speed

B

Better decision making

C

More storage usage

D

Hardware improvement

16

Which of the following is a data visualization tool?

A

Spreadsheet charts

B

Compiler

C

Antivirus

D

Text editor

17

Which tool is used to find errors in a program?

A

Compiler

B

Debugger

C

Interpreter

D

Editor

18

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

A

shift()

B

pop()

C

push()

D

join()

19

Which error occurs due to wrong logic in a program?

A

Syntax error

B

Runtime error

C

Logical error

D

System error

20

Which HTML tag is used to collect user input?

A

<form>

B

<input>

C

D

21

Which of the following is a source of data?

A

Survey

B

Printer

C

Monitor

D

Speaker

22

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

A

border-style

B

border-radius

C

corner-style

D

box-shadow

23

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.

24

In JavaScript, which keyword is used to declare a variable that can be changed later?

A

let

B

const

C

var

D

variable

25

Which CSS property is used to add space inside an element?

A

margin

B

padding

C

border

D

spacing

26

Which testing method checks individual units of code?

A

System testing

B

Integration testing

C

Unit testing

D

Acceptance testing

27

What kind of chart uses dots to show data points?

A

Bar chart

B

Line chart

C

Scatter plot

D

Pie chart

28

What is data visualization?

A

Storing data in files

B

Representing data in graphical form

C

Deleting unwanted data

D

Writing algorithms

29

In which stage of the data science life cycle are models built to find patterns?

A

Data Analysis

B

Data Collection

C

Problem Definition

D

Data Deletion

30

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.

31

Which JavaScript statement stops a loop?

A

stop

B

exit

C

break

D

end

32

Which of the following is an example of data?

A

Student marks list

B

Final report

C

Decision

D

Conclusion

33

What does a bar chart display?

A

Trends over time

B

Categories and values

C

Geographic data

D

Random data

34

Which error is detected during program execution?

A

Syntax error

B

Logical error

C

Runtime error

D

Typographical error

35

Which chart shows parts of a whole?

A

Line chart

B

Bar chart

C

Pie chart

D

Scatter plot

36

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

A

Quantitative

B

Numerical

C

Qualitative

D

Statistical

37

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

A

class

B

id

C

style

D

title

38

Which life cycle stage checks data accuracy?

A

Data collection

B

Data cleaning

C

Data visualization

D

Decision making

39

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

A

<image>

B

<img>

C

<pic>

D

<src>

40

Which algorithm is best for large sorted data?

A

Linear search

B

Binary search

C

Bubble sort

D

Insertion sort

🎉 Practice Complete!