Live Education Quiz

1

Which field combines statistics, programming, and domain knowledge?

A

Networking

B

Web development

C

Data science

D

Cyber security

2

Which algorithm searches an element by dividing the list into halves?

A

Linear search

B

Bubble sort

C

Binary search

D

Selection sort

3

What is data visualization?

A

Storing data in files

B

Representing data in graphical form

C

Deleting unwanted data

D

Writing algorithms

4

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

5

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.

6

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.

7

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

A

border-style

B

border-radius

C

corner-style

D

box-shadow

8

Which JavaScript console method is used for debugging?

A

console.write()

B

console.debug()

C

console.log()

D

console.print()

9

Which JavaScript keyword is used to declare a variable?

A

define

B

var

C

int

D

letvar

10

Which HTML tag is used to create a hyperlink?

A

<link>

B

<a>

C

<href>

D

<url>

11

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

A

B

C

<end>

D

12

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

13

Which JavaScript structure can store key-value pairs?

A

Array

B

Object

C

Function

D

Loop

14

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

A

<link>

B

<img>

C

<p>

D

<a>

15

What is data science mainly concerned with?

A

Writing computer games

B

Extracting knowledge from data

C

Repairing hardware

D

Designing websites

16

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.

17

Which visualization is best for comparing percentages?

A

Pie chart

B

Line chart

C

Scatter plot

D

Histogram

18

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

19

Which HTML5 tag is used to define the main content of a document, separate from the header and footer?

A

B

C

<main>

D

20

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.

🎉 Practice Complete!