Technology Vocabulary in English

20 key technology vocabulary in english words with meanings, example sentences, and free interactive exercises — ideal for B1–B2 learners.

Technology has fundamentally changed how we communicate, work, and learn in English. Whether you are reading a job description that mentions cloud computing and cybersecurity, following a tutorial that references algorithms and databases, or simply chatting with a colleague about a software update, technology vocabulary appears constantly in modern English. For B1–B2 learners, understanding these words is no longer optional — it is a practical necessity for both professional and everyday situations.

What makes technology vocabulary particularly useful is that many of these words are used the same way across multiple English-speaking contexts. A word like platform will appear in a business meeting, a news article, and a casual conversation. Terms such as upload, download, and wireless are so embedded in daily life that native speakers use them without thinking. Because these words appear so frequently, learning them gives you an immediate return: you will start recognising and using them in real situations almost straight away, which builds confidence fast.

The most effective way to learn technology vocabulary is to meet each word in context rather than memorising isolated definitions. Notice how bandwidth is used metaphorically in phrases like "I don't have the bandwidth for that right now," meaning someone is too busy. Observe how interface can describe both a computer screen and a human interaction style. Pairing each word with a memorable sentence, then testing yourself with exercises like flash cards and quizzes, creates the kind of active recall that moves vocabulary from short-term recognition to long-term use.

What You'll Learn

Word List

WordMeaningExample Sentence
devicea piece of electronic equipment such as a phone or computerShe uses her device for work and entertainment.
softwareprograms and applications used on a computerThe new software is much faster than the old version.
hardwarethe physical components of a computer systemThe hardware was upgraded to improve performance.
networka system of connected computers or devicesOur office network allows everyone to share files.
databasean organised collection of information stored electronicallyThe customer database contains thousands of records.
algorithma set of rules used by a computer to solve a problemThe search algorithm ranks results by relevance.
cloudinternet-based storage and computing servicesAll our files are backed up to the cloud.
bandwidththe amount of data that can be transmitted in a given timeHigh-definition video streaming requires a lot of bandwidth.
cybersecuritythe practice of protecting computer systems from attackCybersecurity is a growing concern for businesses.
interfacethe point where two systems or a user and a computer interactThe new interface is much easier to navigate.
downloadto transfer data from the internet to your deviceDownload the app from the official website.
uploadto transfer data from your device to the internet or a serverUpload the document to the shared folder.
passworda secret word or phrase used to access a systemUse a strong password with letters, numbers and symbols.
updatea new version of software with improvements or fixesInstall the latest update to protect your system.
wirelesswithout a physical cable connectionThe office uses a wireless network throughout.
artificial intelligencecomputer systems that perform tasks requiring human intelligenceArtificial intelligence is used in language translation.
virtual realitya computer-generated simulation of a three-dimensional environmentVirtual reality headsets are used in gaming and training.
automationthe use of technology to perform tasks without human effortFactory automation has reduced production costs.
datafacts and information, especially as stored electronicallyCompanies collect large amounts of data about their users.
platforma digital environment or service on which other apps runInstagram is a social media platform used worldwide.

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Frequently Asked Questions

What is the difference between hardware and software in English?
Hardware refers to the physical parts of a computer you can touch, such as the keyboard, screen, or processor. Software refers to the programs and applications that run on that hardware, such as an operating system or a word processor. A useful way to remember the difference is: if you can drop it on your foot, it is hardware.
How is the word “platform” used in technology English?
In technology English, platform describes a digital environment or service that other applications or users build on top of, such as a social media platform or an e-commerce platform. It is also used more broadly in business to describe any base system or infrastructure. The word has moved well beyond its original meaning of a raised physical surface.
What internet terms should English learners know at B1–B2 level?
The most important internet vocabulary includes: browser (a program used to access the web), search engine (Google, Bing), link / hyperlink, stream (watch or listen in real time), subscribe, spam (unwanted email), phishing (a fraudulent attempt to steal data), Wi-Fi, and bandwidth. These words appear constantly in job descriptions, news articles, and everyday online interactions, making them essential for functional digital English.
What does “cloud” mean in technology contexts?
In technology English, cloud refers to servers and services accessed over the internet rather than stored on a local device. Phrases like "save to the cloud," "cloud storage," and "cloud computing" all describe using remote internet-based systems. The term is now so common that it appears in both technical and everyday English conversations.
How do you use “upload” and “download” correctly?
Download means to transfer a file from the internet or a server to your own device. Upload means the opposite: transferring a file from your device to a server or the internet. A helpful memory trick is to think of data flowing down to you (download) or up from you (upload) to a remote location.
What is an algorithm in simple English?
An algorithm is a step-by-step set of instructions a computer follows to solve a problem or complete a task. In everyday English, you might hear people say "the algorithm showed me this video" when talking about recommendation systems on social media. It is one of the most-used technology words in modern journalism and business writing.
Can technology vocabulary words be used metaphorically in English?
Yes, many technology words have moved into general English as metaphors. Bandwidth is now used to mean mental or emotional capacity, as in "I don't have the bandwidth to deal with that right now." Interface can describe how people interact with each other, not just with computers. Recognising these metaphorical uses is an important step for B2 learners.
What AI vocabulary words should English learners know in 2025?
The most important AI-related terms for English learners include: AI (artificial intelligence), machine learning (systems that learn from data), chatbot (an automated conversation program), prompt (an instruction given to an AI), generative AI (AI that creates text, images, or audio), deepfake (a realistic fake video or image made with AI), and automation. These words appear in news, business, and education contexts. Understanding them at B1–B2 level helps you follow current events and workplace conversations about technology.
What level of English do I need to understand technology vocabulary?
Most of the 20 words on this page are targeted at B1–B2 learners on the CEFR scale, meaning you should already have a solid foundation in everyday English grammar and common vocabulary. Some terms, like algorithm and cybersecurity, may feel challenging at first but become natural with repeated exposure. A few words, such as password and download, are familiar to most A2 learners too.
How is “artificial intelligence” abbreviated in English?
Artificial intelligence is almost always shortened to AI in both spoken and written English, including news, academic texts, and casual conversation. You will also encounter related abbreviations such as ML (machine learning) and NLP (natural language processing) in more technical writing. At B1–B2 level, knowing the full form alongside the abbreviation helps you understand both formal and informal English sources.