Live Education Quiz

1

Which HTML tag is used to collect user input?

A

<form>

B

<input>

C

D

2

What is a named block of code in JavaScript that performs a specific task and can be called multiple times?

A

A function

B

A loop

C

An array

D

A condition

3

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

A

while

B

do-while

C

for

D

foreach

4

Why is data visualization important?

A

It increases storage size

B

It makes data easier to understand

C

It deletes duplicate data

D

It hides information

5

Which JavaScript method is used to find the length of an array?

A

size()

B

count()

C

length

D

total()

6

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

A

CSS

B

JavaScript

C

HTML

D

Python

7

What does a bar chart display?

A

Trends over time

B

Categories and values

C

Geographic data

D

Random data

8

What is the main purpose of CSS (Cascading Style Sheets)?

A

To add interactivity to a website.

B

To store data for a website.

C

To create the structure of a website.

D

To control the visual style and layout of a website.

9

Which of the following is a data visualization tool?

A

Spreadsheet charts

B

Compiler

C

Antivirus

D

Text editor

10

Which skill is essential for a data scientist?

A

Drawing skills

B

Statistical analysis

C

Hardware repair

D

Typing speed

11

Which CSS property controls the size of text?

A

text-size

B

font-weight

C

font-size

D

text-style

12

Which JavaScript console method is used for debugging?

A

console.write()

B

console.debug()

C

console.log()

D

console.print()

13

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.

14

Which JavaScript statement is used for decision making?

A

switch

B

if

C

else

D

All of these

15

Which testing method checks individual units of code?

A

System testing

B

Integration testing

C

Unit testing

D

Acceptance testing

16

What is the main role of a data scientist?

A

To repair computer hardware.

B

To design computer motherboards.

C

To analyze data and find useful insights.

D

To manage the school's computer lab.

17

What is the output of a Boolean expression?

A

Number

B

String

C

True or False

D

Character

18

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.

19

What type of data is represented using numbers?

A

Qualitative data

B

Quantitative data

C

Text data

D

Image data

20

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.

21

Which chart is commonly used to compare categories?

A

Line chart

B

Bar chart

C

Scatter plot

D

Histogram

22

Which algorithm is best for large sorted data?

A

Linear search

B

Binary search

C

Bubble sort

D

Insertion sort

23

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

A

Data visualization

B

Data collection

C

Model deployment

D

Data cleaning

24

Which HTML element is used for the largest heading?

A

<h6>

B

C

<h1>

D

<head>

25

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.

26

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

27

What is the main goal of data analysis?

A

To design hardware

B

To find patterns and insights

C

To type documents

D

To send emails

28

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

A

margin

B

padding

C

border

D

spacing

29

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

A

class

B

id

C

style

D

title

30

Which data science step comes just before decision making?

A

Data visualization

B

Data collection

C

Data cleaning

D

Data storage

31

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.

32

Which of these is a common type of chart used for data visualization?

A

A text document.

B

An audio file.

C

A computer program.

D

A bar chart.

33

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

A

border-style

B

border-radius

C

corner-style

D

box-shadow

34

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.

35

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

36

Which field combines statistics, programming, and domain knowledge?

A

Networking

B

Web development

C

Data science

D

Cyber security

37

Which visualization is best for comparing percentages?

A

Pie chart

B

Line chart

C

Scatter plot

D

Histogram

38

Which tool is used to find errors in a program?

A

Compiler

B

Debugger

C

Interpreter

D

Editor

39

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

40

Which CSS property is used to change text color?

A

font-style

B

text-color

C

color

D

background-color

41

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

A

shift()

B

pop()

C

push()

D

join()

42

What kind of chart uses dots to show data points?

A

Bar chart

B

Line chart

C

Scatter plot

D

Pie chart

🎉 Practice Complete!