IT Glossary for Kids: Tech Terms, STEM Concepts, and Learning Resources
Technology is part of everyday life. Kids use computers to complete schoolwork, tablets to learn new skills, and the internet to explore ideas, play games, and connect with others. Learning the language of technology helps children become confident digital citizens and prepares them for success in school and beyond.
Many of the skills children develop while learning about technology also supportÌýSTEM education.Ìý—which stands for science, technology, engineering, and mathematics—helps students build creativity, critical thinking, communication, and problem-solving skills. These skills can open doors to exciting opportunities in fields like software engineering, cybersecurity, robotics, healthcare, artificial intelligence (AI), and data science.
According to the U.S. Bureau of Labor Statistics (BLS),ÌýÌýare projected to grow faster than the average for all occupations over the next decade, with computer-related careers making up many of the largest STEM occupations.ÌýÌýcan help students build confidence today while preparing them for future learning at the college and professional level.
Whether your child dreams of designing video games, building robots, becoming a scientist, or simply understanding the technology they use every day, learning these basic technology terms isÌýa great placeÌýto start.
Technology Is EverywhereÌý
TechnologyÌýisn’tÌýlimited to computers anymore.ÌýIt’sÌýbuilt into many of theÌýtoolsÌýkids use every day—from smartphones and tablets to smart speakers, streaming services, video games, and even cars.Ìý
Understanding how technology worksÌýdoesn’tÌýmean memorizing complicated computer science concepts. Instead, it starts with learning the basic vocabulary that helps explain how computerÌýsystems, the internet, software, and digital tools work together.
The glossary below introduces commonÌýinformationÌýtechnology and STEM terms in a simple, beginner-friendly way to help students, parents, and educators buildÌýa strong foundationÌýin digital literacy.
Tech Terms and STEM for Kids
Technology has changed the way people learn, communicate, create, and solve problems. Understanding common computer and internet terms helps kids become more confident using technology while building skills that support STEMÌýactivities andÌýlearning.
Basic Computer TermsÌý
These words describe some of the most common actionsÌýyou’llÌýperform while using a computer.
CaretÌý
The caret is the blinking line that shows where the next letter, number, or symbol you type will appear.
Click
A click means pressing a mouse or trackpad button to select or interact with something on your screen.
Cursor
The cursor is the pointer you move around the screen with a mouse or touchpad. It lets you select text, open programs, and clickÌýbuttons.Ìý
Double-ClickÌý
A double-click means quickly clicking the left mouse button twice to open a file, folder, or program.
Drag and Drop
Drag and drop means clicking and holding an item, moving it somewhere else on the screen, and then releasing the mouse button.
Input
Input is any information you send to a computer. Typing on a keyboard,ÌýclickingÌýa mouse, tapping a touchscreen, or speaking into a microphone are all examples of input.
Left-Click and Right-Click
Most computer mice have two buttons. AÌýleft-clickÌýis used for common tasks like selecting or opening files. A right-click opens a menu withÌýadditionalÌýoptions.
Output
Output is any information a computer sends back to you. This can include words on a screen, printed pages, sounds from speakers, or images.
Coding TermsÌý
Coding teaches computers how to perform tasks by giving them instructions.
BitÌý
A bit is the smallest unit of computer data. Every bit has one of two values: 0 or 1.
Bug
A bug is a mistake in a computer program that causes it to work incorrectly.
CodeÌý
Code is a set of instructions written in a programming language that tells a computer what to do.
Command
A command tells a computer to perform a specific task, such as opening a program or saving a file.Ìý
Debugging
Debugging is the process of finding and fixing bugs in a computer program.Ìý
Function
A functionÌýis a reusable section of code that performs a specific task.
If-Statement
An if-statement tells a computer to do something only when a certain condition is true.
ProgramÌý
A program is software designed to perform a specific job, such as displaying a web browser, playing a game, or editing photos.
Logging In and Logging Out
Many websites, apps, and devices require users to sign in before they can use them.
Log In/Log OutÌý
Logging in means signingÌýin toÌýan account or computer. Logging out securely ends your session.Ìý
Password
A password is a secret word, phrase, or combination of characters thatÌýhelpsÌýprotect your account.
Username
A usernameÌýidentifiesÌýyour account when you signÌýin toÌýa website, app, or computer.
Desktop TermsÌý
When you turn on a computer, the desktop is usually the first screenÌýyou’llÌýsee.
Desktop
The desktop is the main workspace on your computer. It oftenÌýcontainsÌýicons, folders, and shortcuts to your favorite programs.Ìý
Screen Saver
A screen saver appears after a computer has been inactive forÌýa period of time. Modern screen savers are mostly decorative and can also help protect your privacy by hidingÌýwhat’sÌýon your screen.Ìý
ShortcutÌý
A shortcut is an icon that quickly opens a file, folder, or program without moving the original item.
Taskbar
The taskbar is the bar along the edge of your screen that gives you quick access to open apps, pinned programs, and system settings.
Wallpaper
Wallpaper is the picture or image displayed behind the icons on your desktop.ÌýMany people personalize their computers by choosing their favorite wallpaper.Ìý
Data and Memory Terms
Computers store, organize, and move information constantly. These terms explain how computers save files, remember information, and run programs.Ìý
Data
Data is information stored on a computer or digital device. Data can include documents, photos, videos, music, games, apps, and much more.Ìý
Kilobyte (KB), Megabyte (MB), and Gigabyte (GB)
Computers measure storage space in bytes. A kilobyte (KB) stores a small amount ofÌýinformation,Ìýa megabyte (MB) stores much more, and a gigabyte (GB)ÌýstoresÌýeven more. Photos, videos, games, and apps are often measured using these units.
MemoryÌý
Memory is the part of a computer that temporarily stores information while programs areÌýrunningÌýso the computer can work quickly and smoothly.
Operating System (OS)Ìý
An operating system is the main software that helps a computer, tablet, or smartphone run programs and perform everyday tasks. Popular operating systems include Windows, macOS, ChromeOS, Android, and iOS.Ìý
Packet
A packet is a small piece of data sent across a network or the internet. Websites, videos, emails, and messages are all delivered using many packets working together.Ìý
SoftwareÌý
Software is a collection of programs and instructions that tell a computer how to perform different tasks. Apps, games, web browsers, and operating systems are all examples of software.Ìý
Physical Computer ComponentsÌý
Computers are made up of many different pieces of hardware. Each part has an important job that helps the computer work properly.
CD/DVD or Blu-ray Drive
A CD/DVD or Blu-ray drive reads information stored on discs. Many newer computers no longer include disc drives because files are commonly downloaded or stored in the cloud.
Computer CaseÌý
The computer case protects the internal hardware components and helps keep everything organized inside the computer.
Hard Disk Drive (HDD)Ìý
A hard disk drive (HDD) stores files, programs, and your operating system even when the computer is turned off.
Laptop
A laptop is a portable computer with a built-in screen, keyboard, touchpad, and battery.Ìý
MotherboardÌý
The motherboard is the main circuit board inside a computer. It connects the computer’s hardware so all the components can communicate with one another.
Personal Computer (PC)Ìý
A personal computer (PC) is a computer designed for one person’s everyday use, such as browsing the internet, completing homework, creating documents, or playing games.
Power SupplyÌý
The power supply converts electricity from a wall outlet into the type of power a computer’s internal parts need toÌýoperate.
Solid-State Drive (SSD)
A solid-state drive (SSD) stores files and programs like a hard drive but works much faster because it has no moving parts.
Sound Card
A sound card helps a computer play music, videos, games, and other audio through speakers or headphones.
Video Card (Graphics Card)
A video card, also called a graphics card, creates the images you see on your monitor.Ìý
Universal Serial Bus (USB)Ìý
The acronymÌý“USBâ€Ìýrefers toÌýa common type of connection used to plug devices like keyboards, flash drives, printers, cameras, and game controllers into a computer.
Input and Output Devices
Input devices send information to a computer, while output devices allow the computer to communicate information back to you.
KeyboardÌý
A keyboard lets you type letters, numbers, and symbols into a computer.
Monitor
A monitor is the computer’s display screen where you view programs, videos, games, websites, and documents.
Mouse
A mouse is a handheld device used to move the cursor and interact with items on the screen.Ìý
PrinterÌý
A printer creates paper copies of digital documents and images.
ScannerÌý
A scanner copies printed documents or photos and saves them as digital files.
SpeakersÌý
Speakers playÌýsoundÌýfrom a computer, including music, videos, games, and online meetings.Ìý
Internet Terms
The internet connects billions of devices around the world. These terms explain how people communicate, share information, and explore online.Ìý
DownloadÌý
A downloadÌýcopiesÌýfiles, photos, videos, or apps from the internet onto your device.
Email is a way to send digital messages, documents, photos, and other files over the internet.
InternetÌý
The internet is a worldwide network that connects computers and devices so people can communicate, learn, shop, play games, and find information.Ìý
Internet Service Provider (ISP)
An internet service provider (ISP) is a company that gives homes and businesses access to the internet.Ìý
Modem
A modem connects your home or school to your internet service provider.
Network
A network is a group of connected computers or devices that share information and resources.
Online
When a device is online, it is connected to the internet.
Server
A server is a computer that stores information and delivers it to other computers over a network.Ìý
Browsing
Browsing means exploring websites and information on the internet using a web browser.
UploadÌý
An upload sends files, photos, videos, or other information from your device to the internet.
Wi-Fi
Wi-Fi is wireless technology that connects devices to the internet without using cables.Ìý
Navigating the WebÌý
The internetÌýcontainsÌýbillions ofÌýwebÌýpages. These terms explain how people find and move between them.
BookmarkÌý
A bookmark saves aÌýwebsiteÌýso you can easilyÌýreturn toÌýit later.Ìý
Browser
A web browser is a program used to visit websites. Popular browsers include Chrome, Safari, Firefox, and Microsoft Edge.
File Sharing
File sharing allows people to send or access digital files over the internet or a network.
HomeÌýPage
A homeÌýpageÌýis the main page of a website.
HyperlinkÌý
A hyperlink, often called a link, is text, a button, or an image that opens another webÌýpage or file when youÌýclickÌýit.
Instant Messaging
Instant messaging (IM) lets people send messages back and forth in real time using apps or websites.Ìý
KeywordÌý
A keyword is a word or phrase you type into a search engine to help find information.
Search Engine
A search engine helps people find websites and information on the internet. Google, Bing, and Yahoo are examples of search engines.Ìý
Social MediaÌý
Social media includes websites and apps where people share messages, photos, videos, and ideas with others.
URL (Uniform Resource Locator)Ìý
A URL is the web address of aÌýwebÌýpage, such asÌý.
Website
A website is a collection of relatedÌýwebÌýpages under one web address.Ìý
World Wide Web (WWW)Ìý
The World Wide Web, often called the web, is the collection ofÌýwebÌýpages and websites you can access through the internet.
AIÌýTerms
AIÌýisÌýbecomingÌýincreasingly commonÌýin day-to-day life.ÌýKids may already use AI in search engines, educational apps, voice assistants, and creative tools. Understanding these terms can help students use AI safely and responsibly.
AIÌý
AIÌýisÌýtechnologyÌýthat allows computers to perform tasks that usually require human intelligence, such as answering questions, recognizing images, translating languages, or creating content.
Algorithm
An algorithm is a step-by-step set of instructions that tells a computer how to solve a problem or complete a task.
Chatbot
A chatbot is a computer program that can have conversations with people by answering questions or providing information.
Generative AI
Generative AI is a type of artificial intelligence that can createÌýnew content, including stories, images, music, computer code, and videos.
Machine Learning
Machine learning is a type of AI that allows computers to learn from data and improve over time instead of being programmed for every situation.Ìý
PromptÌý
A prompt is the question or instruction you give an AI tool to tell it what you want it to do.Ìý
Voice AssistantÌý
A voice assistant is an AI-powered tool, such as Siri, Alexa, or Google Assistant, that responds to spoken commands and questions.Ìý
Internet Safety TermsÌý
Learning how to use technology also means learning how to use it safely. Understanding these internet safety terms can help kids becomeÌýresponsibleÌýdigital citizens and make smart choices online.
Antivirus Software
Antivirus software helps protect computers and devices from viruses, malware, and other harmful software by finding and removing threats.
Cookie
A cookie is a small file that a website saves on your device to remember information such as your preferences or sign-in status.Ìý
CyberbullyingÌý
Cyberbullying is using technology to hurt, threaten, embarrass, or harass another person. It can happen through text messages, social media, online games, or other digital platforms.Ìý
CybercrimeÌý
Cybercrime isÌýanyÌýillegal activity that uses computers, networks, or the internet. Examples include stealing personal information, hacking into accounts, or spreading malware.Ìý
CybersecurityÌý
Cybersecurity is the practice of protecting computers, networks, programs, and personal information from hackers, malware, and other online threats.Ìý
Digital CitizenshipÌý
Digital citizenship means using technology responsibly, respectfully, and safely. Good digital citizens treat others kindly online, protect their personal information, and think carefully before sharing content.Ìý
Digital Footprint
Your digital footprint is the record of your online activity. Websites you visit, photos you share, comments you post, and videos you watch all contribute to your digital footprint.
Firewall
A firewallÌýhelps protect a computer or network by blocking suspicious or unauthorized internet traffic.
Malware
Malware is harmful software designed to damage devices, steal information, or disrupt how a computer works.
Phishing
Phishing is an onlineÌýscamÌýwhere someone pretends to be a trusted person or organization to trick you into sharing passwords, account information, or other personal details.
Spam
Spam is unwanted email or messages that are often advertisements orÌýscams.
Spyware
Spyware is software that secretly collects information about a person’s online activity without their permission.
VirusÌý
A computer virus is a type of malware that can spread between devices and damage files, steal information, or make a computer stop working properly.
AI Safety
AsÌýAIÌýbecomes moreÌýubiquitous,Ìýit’sÌýimportant to useÌýitÌýresponsibly. AI tools can sometimes make mistakes or provide incorrect information,ÌýsoÌýit’sÌýalwaysÌýa good ideaÌýto double-checkÌýimportant facts,Ìýavoid sharing personal information, and ask a trusted adult ifÌýyou’reÌýunsure about something an AI tool tells you.Ìý
Technology and STEM Resources for KidsÌý
Technology skills grow through practice. Whether kids want to learn coding, improve their typing skills,ÌýexploreÌýSTEMÌýactivities, or stay safe online, these resources make learning fun and engaging.Ìý
Computer and Coding Apps for Kids
These interactive apps help children explore coding,Ìýcomputer science, and technology through games and hands-on learning.Ìý
- :ÌýIntroduces elementary and middle school students to coding and basic web development through interactive lessons.
- :ÌýHelps younger learners build foundational coding and computational thinking skills.
- :ÌýUses the popular Minecraft platform to teach STEMÌýsubjects, coding, digital citizenship, and problem-solving through immersive classroom activities.
- :ÌýGives students hands-on experience assembling, upgrading, and troubleshooting virtual computers.
- :ÌýHelps children improve keyboarding skills through engaging typing lessons and activities.
Internet Safety Resources
Parents and educators playÌýan important roleÌýin helping children build healthy online habits. These trusted organizationsÌýprovideÌýage-appropriate guidance on internet safety and digital citizenship.
- :ÌýReviews movies, books, apps,ÌýandÌýgamesÌýand offers excellent lessons on digital citizenship and online privacy.
- :ÌýProvides resources for teaching kids about online privacy,Ìýscams, cybersecurity, and safe internet habits.
- :ÌýOffers articles and videos about internet safety, healthy technology habits, and digital well-being.
- :ÌýShares practical advice for parents navigating today’s connected world.
STEM Learning Resources
Curiosity is one of the best ways to learn. These organizations offer free activities, games, and lessons that encourage kids to explore science, technology, engineering, and mathematics.
- :ÌýFree coding lessons and computer science activities for learners of all ages.
- :ÌýFun coding activities and challenges designed to introduce students to computer science.
- :ÌýInteractive science experiments, videos, and educational activities covering dozens of STEM topics.
- :ÌýGames, videos, activities, and articles that make learning about space and science exciting.
- :ÌýScience articles, games, videos, and activities focused on animals, nature, geography, and exploration.
- :ÌýHands-on STEM projects and career exploration activities that introduce students to exciting careers in science and technology.
Building the Technology Skills of Tomorrow
Technology continues to shape the way we learn, work, communicate, and solve problems. Helping kids understand computers, the internet,ÌýAI, and digital safety today can prepare them for success in school and beyond.
Not every student who explores STEM will become a software engineer—andÌýthat’sÌýokay. Technology skills benefit future teachers, nurses, artists, scientists, entrepreneurs, business leaders, and countless other professionals. Building digital literacy helps students become more confident learners and prepares them to navigate an increasingly technology-driven world.Ìý
Whether your child dreams of designing video games, exploring space, developing life-changing technology, or simply becoming more comfortable using computers, learning theseÌýglossaryÌýterms is an excellent first step.Ìý
IfÌýyou’dÌýlike to continue exploring where technology education can lead, exploreÌýbachelor’s, master’s, and certificateÌýprograms in ITÌýat 91³Ô¹ÏÍø and discoverÌýcoursesÌýthat prepare students forÌýfutureÌýcareers inÌýaÌýrapidly evolving technology landscape.Ìý
IT and Tech Tools for Kids FAQ
Why should kids learn STEM?Ìý
Learning STEM helps kids develop important skills like critical thinking, creativity, collaboration, and problem-solving. Early exposure to science and technology can also spark curiosity and help students discover interests that may lead to rewarding careers in fields likeÌýinformation technology,Ìýsoftware engineering, healthcare,Ìýcybersecurity, robotics,ÌýAI, and many other growing industries.Ìý
What tech terms should kids know?Ìý
KidsÌýbenefitÌýfrom understanding commonÌýcomputer, internet, and digital safety terms. Concepts like software, hardware, browsers, passwords, cybersecurity, AI, algorithms, and digital citizenship provideÌýa strong foundationÌýfor using technology safely and confidently at school, at home, and in everyday life.
What tools canÌýteachÌýkids about technology?Ìý
Many free and low-cost resources help kids learn technology skills through hands-on activities. Coding platforms like Code.org andÌýKodable, educational tools like Minecraft Education, typing programs likeÌýTypesy, and science resources from organizations like NASA and National Geographic Kids all make STEM learning engaging and accessible.Ìý
What is AI?
AI isÌýtechnologyÌýthat allows computers to perform tasks like answering questions, recognizing images, translating languages, and creating text or pictures. Kids already interact with AI in search engines, educational apps, voice assistants, and other digital tools. Learning how AI works—and understanding that it can sometimes make mistakes—helps students become thoughtful andÌýresponsibleÌýtechnology users.