IT Fundamentals Quizzes: Test Your Knowledge of IT Essentials

Question 1

Which of the following is NOT a common type of computer network topology?

Accepted Answer

Daisy chain

Answer

Bus

Answer

Star

Answer

Mesh

Question 2

In a computer network, which component is crucial for connecting devices and enabling data exchange?

Accepted Answer

Hardware

Answer

Software

Answer

Data

Question 3

Which of the following is NOT a physical computer network?

Accepted Answer

VPN

Answer

LAN

Answer

WAN

Answer

MAN

Question 4

What is the main function of the motherboard in a computer system?

Accepted Answer

To connect and communicate between the computer's components

Answer

To store data and operating systems

Answer

To power the computer's components

Question 5

Which of the following is NOT a type of computer network?

Accepted Answer

Telephone network

Answer

LAN

Answer

WAN

Answer

PAN

Question 6

What is the primary purpose of a firewall?

Accepted Answer

To protect a computer network from unauthorized access

Answer

To enhance the speed of internet connections

Answer

To store and manage data

Question 7

Which of the following is a malicious software program that can infect and damage a computer system?

Accepted Answer

Virus

Answer

Operating system

Answer

Utility software

Answer

Application software

Question 8

What is the main function of a web browser?

Accepted Answer

To retrieve, display, and navigate web pages over the internet

Answer

To manage and organize files and folders

Answer

To send and receive electronic mail

Answer

To create and edit digital documents

Question 9

Which of the following is a type of cloud computing service that provides on-demand computing resources over the internet?

Accepted Answer

Infrastructure as a Service (IaaS)

Answer

Hypertext Markup Language (HTML)

Answer

Cascading Style Sheets (CSS)

Answer

JavaScript

Question 10

What is the fundamental distinction between hardware and software?

Accepted Answer

Hardware is tangible, physical components, while software is intangible, logical instructions

Answer

Both hardware and software are tangible and physical

Answer

Hardware is intangible and logical, while software is tangible and physical

Question 11

Which of the following is a high-level programming language used for general-purpose software development?

Accepted Answer

Python

Answer

Adobe Photoshop

Answer

Microsoft Word

Question 12

What is the primary purpose of a database?

Accepted Answer

To store, organize, and manage data in an efficient and structured manner

Answer

To create and edit web pages

Answer

To send and receive electronic mail

Question 13

Which of the following methods is commonly used by attackers to obtain sensitive information or gain unauthorized access to systems?

Accepted Answer

Phishing

Answer

Hardware failure

Answer

Software bug

Question 14

What is the primary responsibility of a computer operating system?

Accepted Answer

To manage hardware and software resources, enabling efficient operation of the computer system

Answer

To play games and other entertainment applications

Answer

To create and edit web pages

Answer

To send and receive electronic mail

Question 15

Which of the following is a component of computer hardware?

Accepted Answer

Hard drive

Answer

Database

Answer

Operating system

Answer

Software

Question 16

Which hardware component is responsible for executing instructions and managing the overall operation of a computer?

Accepted Answer

Processor

Answer

Graphics card

Answer

Memory

Answer

Hard drive

Question 17

Which type of software is used to perform specific user-related tasks, like creating documents or editing photos?

Accepted Answer

Application software

Answer

Middleware

Answer

Programming software

Answer

System software

Question 18

In a star network topology, which of the following acts as the central connection point for all devices?

Accepted Answer

Hub

Answer

Gateway

Answer

Router

Answer

Switch

Question 19

Which security measure involves transforming data into an unreadable format to protect its confidentiality?

Accepted Answer

Encryption

Answer

Authorization

Answer

Authentication

Answer

Logging

Question 20

Which of the following is an advantage of using cloud computing services?

Accepted Answer

Scalability

Answer

Reduced security

Answer

Limited storage capacity

Answer

Increased hardware costs

Question 21

Which of the following is a type of malicious software that can compromise data or system functionality?

Accepted Answer

Malware

Answer

Natural disaster

Answer

Human error

Answer

Hardware failure

Question 22

What is the primary function of a firewall?

Accepted Answer

To prevent unauthorized access to a computer or network

Answer

To connect devices to the Internet

Answer

To process and store data

Question 23

Which of the following is an example of an operating system?

Accepted Answer

Windows

Answer

Adobe Photoshop

Answer

Google Chrome

Answer

Microsoft Word

Question 24

What is the primary role of RAM in a computer system?

Accepted Answer

To store data and instructions that are currently being processed

Answer

To connect the computer to a network

Answer

To store data permanently

Question 25

Which of the following is a cloud computing platform?

Accepted Answer

Amazon Web Services (AWS)

Answer

Google Chrome

Answer

Microsoft Word

Question 26

What is the main purpose of a web browser?

Accepted Answer

To access and display websites on the Internet

Answer

To create and edit documents

Answer

To send and receive emails

Answer

To play games

Question 27

Which of the following is a type of data storage device?

Accepted Answer

Hard disk drive (HDD)

Answer

Monitor

Answer

Printer

Answer

Keyboard

Question 28

What is the primary purpose of a search engine?

Accepted Answer

To help users find information on the Internet

Answer

To send and receive emails

Answer

To play games

Answer

To create and edit documents

Question 29

Which of the following is a common type of malicious software?

Accepted Answer

Virus

Answer

Application software

Answer

Web browser

Answer

Operating system

Question 30

What is the main function of a spreadsheet program?

Accepted Answer

To create and manipulate data in a tabular format

Answer

To send and receive emails

Answer

To create and edit presentations

Answer

To play games

Question 31

Which of the following is NOT a type of computer network categorized by its geographical span?

Accepted Answer

SAN

Answer

MAN

Answer

WAN

Answer

LAN

Question 32

What is the primary function of an operating system in a computer system?

Accepted Answer

Managing computer hardware and software resources

Answer

Providing data storage

Answer

Facilitating internet connectivity

Answer

Executing user applications

Question 33

Which of the following storage devices does NOT utilize magnetic technology for data storage?

Accepted Answer

SSD

Answer

Floppy disk

Answer

Hard disk drive

Answer

Tape drive

Question 34

What is the primary purpose of using a firewall in a network security system?

Accepted Answer

To prevent unauthorized access and protect the network from external threats

Answer

To enhance network speed and performance

Answer

To store and retrieve data securely

Question 35

Which of the following is a cloud computing service model that provides software applications over the internet?

Accepted Answer

Software as a Service (SaaS)

Answer

Network as a Service (NaaS)

Answer

Hardware as a Service (HaaS)

Answer

Storage as a Service (SaaS)

Question 36

What is the primary function of a domain name server (DNS) in the internet infrastructure?

Accepted Answer

To translate domain names into their corresponding IP addresses

Answer

To store and manage user data

Answer

To protect against cyber threats and attacks

Answer

To provide internet access to users

Question 37

Which of the following is a type of social engineering attack technique used to trick individuals into revealing confidential information?

Accepted Answer

Phishing

Answer

DDoS

Answer

Hacking

Answer

Malware

Question 38

What is the main purpose of a router in a network infrastructure?

Accepted Answer

To interconnect different networks and facilitate data transmission between them

Answer

To store and manage data

Answer

To execute user applications and software

Answer

To provide network security protection

Question 39

Which file extension is commonly associated with Microsoft Word documents?

Accepted Answer

.docx

Answer

.xls

Answer

.txt

Answer

.mp3

Question 40

What is the primary function of a database management system (DBMS) in a data management environment?

Accepted Answer

To organize, store, manage, and retrieve data in an efficient and structured manner

Answer

To provide comprehensive security protection

Answer

To execute complex software programs

Answer

To connect multiple networks together

Question 41

What is the main job of an operating system?

Accepted Answer

To manage the computer's hardware and software.

Answer

To browse the internet.

Answer

To play games.

Answer

To create and edit documents.

Question 42

What's the key difference between a LAN and a WAN?

Accepted Answer

A LAN connects devices in a small area, while a WAN connects devices over a larger distance.

Answer

A LAN uses wired connections, while a WAN uses wireless connections.

Question 43

What does a firewall do?

Accepted Answer

It prevents unauthorized access to a computer or network.

Answer

It protects against viruses.

Answer

It speeds up internet connections.

Question 44

What is the main purpose of a database?

Accepted Answer

To store and organize large amounts of data in a structured way.

Answer

To send emails.

Answer

To create presentations.

Question 45

Which of these is a programming language?

Accepted Answer

Python

Answer

Excel

Answer

Microsoft Word

Answer

PowerPoint

Question 46

What is the main job of a web server?

Accepted Answer

It hosts websites and makes them accessible on the internet.

Answer

To store files.

Answer

To send emails.

Question 47

Which of these is an ethical concern in IT?

Accepted Answer

Privacy

Answer

Cost

Answer

Time

Answer

Reliability

Question 48

What does a system administrator do?

Accepted Answer

They maintain and troubleshoot computer systems and networks.

Answer

They create software.

Answer

They design websites.

Question 49

Which of the following is NOT a piece of computer hardware?

Accepted Answer

Operating System

Answer

Monitor

Answer

Hard Drive

Answer

Keyboard

Question 50

What is the primary function of the CPU (Central Processing Unit)?

Accepted Answer

Processes instructions and performs calculations

Answer

Stores data and programs

Answer

Displays information on the screen

Answer

Connects to the internet

Question 51

Which type of software helps you create documents, spreadsheets, and presentations?

Accepted Answer

Productivity Software

Answer

Utility Software

Answer

System Software

Answer

Programming Software

Question 52

What is the main job of an operating system?

Accepted Answer

Manages the computer's resources and provides a user interface

Answer

Runs applications like games and web browsers

Answer

Connects to the internet and other networks

Question 53

Which of these is NOT a common type of network topology?

Accepted Answer

Linear Topology

Answer

Ring Topology

Answer

Star Topology

Answer

Bus Topology

Question 54

What is the purpose of a firewall?

Accepted Answer

To protect a network from unauthorized access

Answer

To create backups of important data

Answer

To store data and files

Answer

To speed up internet connections

Question 55

Which of the following is a common example of malware?

Accepted Answer

Virus

Answer

Web Browser

Answer

Spreadsheet Software

Answer

Operating System

Question 56

What is the most effective way to protect your computer from malware?

Accepted Answer

Use antivirus software and keep it updated

Answer

Avoid using the internet

Answer

Install every software downloaded from the web

Answer

Share your passwords with trusted friends

Question 57

Which of the following is an example of a physical security measure?

Accepted Answer

Security cameras

Answer

Antivirus software

Answer

Firewall