IT Fundamentals: Master the Basics of Computer Systems, Networks, and Software

Question 1

Identify the type of computer network that is used to connect computers within a limited physical space, such as a home or office.

Accepted Answer

LAN (Local Area Network)

Answer

MAN (Metropolitan Area Network)

Answer

WAN (Wide Area Network)

Answer

WANPAN (Wireless Personal Area Network)

Question 2

An operating system primarily serves which purpose within a computer system?

Accepted Answer

Managing hardware and software resources

Answer

Providing a user-friendly interface

Answer

Executing application software

Answer

Storing and organizing data

Question 3

Which of the following is an example of a software application used for creating and editing text documents?

Accepted Answer

Word processor

Answer

Spreadsheet

Answer

Database

Answer

Web browser

Question 4

Which unit represents the smallest amount of data storage capacity?

Accepted Answer

Bit

Answer

Byte

Answer

Kilobyte

Answer

Megabyte

Question 5

What is the primary function of a network interface card (NIC) in a computer system?

Accepted Answer

Establishing a physical connection to a network

Answer

Providing wireless connectivity to the internet

Answer

Storing data for long-term use

Answer

Processing data and running applications

Question 6

Select the cloud computing service model that provides users with access to pre-configured hardware and software resources:

Accepted Answer

Infrastructure as a Service (IaaS)

Answer

Platform as a Service (PaaS)

Answer

Software as a Service (SaaS)

Answer

Function as a Service (FaaS)

Question 7

What is the key difference between a router and a switch in a computer network?

Accepted Answer

A router connects different networks, while a switch connects devices within a network.

Answer

A switch connects different networks, while a router connects devices within a network.

Answer

Routers and switches perform the same function in a network.

Answer

None of the above statements are correct.

Question 8

What is the main purpose of a firewall in a computer system?

Accepted Answer

Preventing unauthorized access and malicious traffic

Answer

Scanning and removing viruses and malware

Answer

Backing up data regularly

Answer

Encrypting sensitive information

Question 9

Which protocol secures communication on the internet?

Accepted Answer

HTTPS

Answer

HTTP

Answer

FTP

Question 10

Identify the component within a computer system that serves as the central processing unit.

Accepted Answer

CPU

Answer

Monitor

Answer

Keyboard

Answer

Mouse

Question 11

What is the primary purpose of a network in a computer system environment?

Accepted Answer

Establish connections between multiple computers

Answer

Store data for long-term preservation

Answer

Execute software applications

Answer

Display visual content

Question 12

Which software application is commonly used for creating and modifying written documents?

Accepted Answer

Microsoft Word

Answer

Photoshop

Answer

Excel

Answer

Video Editor

Question 13

What does the acronym 'WWW' represent in the context of the internet?

Accepted Answer

World Wide Web

Answer

Wireless Web Works

Answer

Wide Web World

Answer

Web Wide World

Question 14

Which of the following is not a common file format for storing and displaying images?

Accepted Answer

PDF

Answer

JPEG

Answer

PNG

Answer

GIF

Question 15

What is a primary advantage of using spreadsheet software?

Accepted Answer

Performing calculations, analyzing data, and creating visual representations

Answer

Creating professional presentations

Answer

Designing and developing websites

Answer

Editing and manipulating videos

Question 16

Precise Question: What is the primary role of an operating system in a computer system?

Accepted Answer

Balanced Option: Manage hardware resources and provide a user interface

Answer

Balanced Option: Process and store large amounts of data

Answer

Balanced Option: Facilitate connections to networks

Answer

Balanced Option: Execute application software

Question 17

Precise Question: Which network topology involves a central hub connecting all devices?

Accepted Answer

Balanced Option: Star topology

Answer

Balanced Option: Bus topology

Answer

Balanced Option: Ring topology

Answer

Balanced Option: Mesh topology

Question 18

Precise Question: What is the main function of a web browser?

Accepted Answer

Balanced Option: Display web pages

Answer

Balanced Option: Send and receive emails

Answer

Balanced Option: Manage files and folders

Answer

Balanced Option: Run video games

Question 19

Precise Question: What is the key difference between a database and a spreadsheet?

Accepted Answer

Balanced Option: Databases handle large and complex data, while spreadsheets are designed for smaller and simpler datasets.

Answer

Balanced Option: Databases are typically proprietary, while spreadsheets are open-source.

Answer

Balanced Option: Databases require advanced technical skills, while spreadsheets are user-friendly.

Answer

Balanced Option: There is no distinction between a database and a spreadsheet.

Question 20

Which component of a computer system is responsible for executing instructions and performing calculations?

Accepted Answer

Processor

Answer

Memory

Answer

Graphics card

Answer

Hard drive

Question 21

What is the primary purpose of a network in information technology?

Accepted Answer

To connect and facilitate communication between multiple devices and resources

Answer

To store and retrieve data

Answer

To run and execute software applications

Answer

To process and analyze information

Question 22

What is the main purpose of the binary number system in computer science?

Accepted Answer

To represent data inside computers and perform digital operations

Answer

To facilitate mathematical calculations

Answer

To enable communication with other devices

Answer

To store and retrieve large amounts of data

Question 23

What is the primary function of a firewall in a computer network?

Accepted Answer

To monitor and control incoming and outgoing network traffic, blocking unauthorized access and potential threats

Answer

To improve network speed and performance

Answer

To store and back up data

Answer

To translate network protocols and formats

Question 24

What is the key distinction between a compiler and an interpreter in software development?

Accepted Answer

A compiler translates source code into machine code before execution, while an interpreter executes code line by line

Answer

An interpreter translates source code into machine code, while a compiler executes code line by line

Answer

Both compilers and interpreters translate source code into assembly code

Answer

Neither compilers nor interpreters translate source code into machine code

Question 25

What is the main purpose of a content management system (CMS)?

Accepted Answer

To create, edit, manage, and publish website content in a user-friendly interface

Answer

To develop and design websites from scratch

Answer

To protect websites from cyber attacks and data breaches

Answer

To track website traffic and analyze user behavior

Question 26

Which binary number system is used by computers?

Accepted Answer

Binary

Answer

Octal

Answer

Decimal

Answer

Hexadecimal

Question 27

What is the primary purpose of a compiler in software development?

Accepted Answer

To translate high-level programming language into machine code

Answer

To design user interfaces

Answer

To manage memory allocation

Answer

To debug software errors

Question 28

Which network topology provides a dedicated connection between each pair of devices?

Accepted Answer

Mesh

Answer

Bus

Answer

Ring

Answer

Star

Question 29

What is the primary function of a firewall in a computer network?

Accepted Answer

To prevent unauthorized access

Answer

To encrypt data transmissions

Answer

To optimize network performance

Answer

To store user passwords

Question 30

Which software application is used to create and edit electronic spreadsheets?

Accepted Answer

Spreadsheet

Answer

Word processor

Answer

Database

Answer

Presentation software

Question 31

What is the meaning of the acronym GUI?

Accepted Answer

Graphical User Interface

Answer

General Utility Interface

Answer

Global User Interaction

Answer

Graphical User Information

Question 32

What is the process of converting analog signals into digital signals called?

Accepted Answer

Digitization

Answer

Encryption

Answer

Compression

Answer

Decryption

Question 33

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

Accepted Answer

Manage system resources and facilitate software execution

Answer

Provide a user-friendly interface for operating the computer

Answer

Store and retrieve data from storage devices

Answer

Establish network connections and provide internet access

Question 34

Which network topology involves connecting all devices to a central hub?

Accepted Answer

Star

Answer

Bus

Answer

Ring

Answer

Mesh

Question 35

How does a web browser differ from a search engine?

Accepted Answer

A web browser displays web pages, while a search engine helps find them

Answer

A search engine displays web pages, while a web browser helps find them

Answer

Both perform identical functions, making them interchangeable

Answer

There is no distinction between a web browser and a search engine

Question 36

Which software application is primarily used for creating and editing text documents?

Accepted Answer

Microsoft Word

Answer

Adobe Photoshop

Answer

AutoCAD

Answer

Google Chrome

Question 37

What is the main function of a firewall in a computer network?

Accepted Answer

Prevent unauthorized access and protect against cyber threats

Answer

Provide secure file storage and data management

Answer

Run and execute software applications efficiently

Answer

Establish and maintain network connections

Question 38

What is the fundamental distinction between hardware and software?

Accepted Answer

Hardware is tangible, while software is intangible

Answer

Software is tangible, while hardware is intangible

Answer

They both have physical and non-physical components

Answer

There is no meaningful difference between hardware and software

Question 39

What is the purpose of creating a backup copy of important data?

Accepted Answer

Protect against data loss due to hardware failure or accidental deletion

Answer

Increase storage capacity and make more data available

Answer

Improve computer performance by reducing the load on storage devices

Answer

Provide remote access to data from any location

Question 40

Which component is NOT essential for a computer system to function?

Accepted Answer

Air conditioning

Answer

Processor

Answer

Keyboard

Answer

Memory

Question 41

What is the main purpose of a network?

Accepted Answer

Connect devices and enable communication

Answer

Execute programs

Answer

Display information

Answer

Store data and programs

Question 42

Which type of software is used primarily for creating and editing text documents?

Accepted Answer

Word processor

Answer

Database

Answer

Web browser

Answer

Spreadsheet

Question 43

What is the name of the vast global network connecting computers and devices worldwide?

Accepted Answer

Internet

Answer

Intranet

Answer

Extranet

Answer

LAN

Question 44

Which device is commonly used to provide input to a computer?

Accepted Answer

Keyboard

Answer

Printer

Answer

Monitor

Answer

Speaker

Question 45

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

Accepted Answer

Manage hardware and software resources

Answer

Browse the web

Answer

Create and edit documents

Question 46

How do a router and a modem differ in their functionality?

Accepted Answer

A router connects devices within a network, while a modem connects the network to the internet

Answer

A modem connects the network to the internet, while a router connects devices within a network

Answer

A router is a wireless device, while a modem is wired

Question 47

What is the ethical principle guiding the responsible use of information technology?

Accepted Answer

Using technology for positive and beneficial purposes

Answer

Exploiting technology for personal gain

Answer

Using technology to inflict harm on others