computer science

Opera (web browser)

Opera (web browser) is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Opera (web browser) rather than just read about it. In short: Opera is a multi-platform web browser developed by its namesake company Opera. The current edition of the browser is based on Chromium.

Key takeaways

Opera (web browser) belongs to computer science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Opera (web browser) to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Opera (web browser) from memory before moving on to harder problems.

Reference excerpt

Opera is a multi-platform web browser developed by its namesake company Opera. The current edition of the browser is based on Chromium. Opera is available on Windows, macOS, Linux, Android, and iOS (Safari WebKit engine). Opera offers two mobile versions, called Opera Mobile and Opera Mini. Opera was first developed at Telenor as part of the MultiTorg project. After four beta versions, the first stable version was released on 10 April 1995, making it one of the oldest desktop web browsers to exist. It was commercial software for its first ten years and had its own proprietary layout engine, Presto. In 2013, it switched from the Presto engine to Chromium. In 2019, Opera introduced Opera GX, a gaming-themed version of Opera with additional gaming-related features. The browser has a feature called mods which made it possible to change the look of the browser with dynamic backgrounds, custom Opera logos, etc. In 2025, Opera released Opera Air, a more lightweight version of the browser designed with a focus on mindfulness and user well-being. It integrates standard browsing functionalities with tools aimed at reducing digital stress and enhancing productivity. In the same year, Opera released Opera Neon, an AI agentic browser which has similar functions to ChatGPT Atlas.

Ownership and location According to Opera Limited's 20-F filing for the fiscal year ending 31 December 2024 to the US Securities and Exchange Commission (required as it is listed on NASDAQ), Opera Limited is incorporated in Cayman Islands, and is a subsidiary of Kunlun Tech Co, which is based in Beijing and listed on the Shenzhen Stock Exchange. Opera Limited wholly owns Opera Holdings AS, which in turn wholly owns Opera Services AS, which in turn wholly owns Opera Norway AS (all incorporated in Norway). The filing notes "Our corporate headquarters is located in Oslo, Norway. Our principal technical development facilities are located in Wroclaw, Poland; Dundee, Scotland; Beijing, China, and both Linköping and Gothenburg, Sweden". The filing notes that Opera is owned by Chinese company Kunlun Tech Co: "In 2021, Kunlun, a Chinese public company and our largest investor, increased its ownership stake in us beyond 50%, and as a result we became a consolidated subsidiary of Kunlun … as a subsidiary of Kunlun, we are additionally subject to certain of the listing rules of the Shenzhen Stock Exchange and Chinese corporate governance standards." James Yahui Zhou, the controlling shareholder of Kunlun, is executive chairman of Opera's board: "As of the date of this annual report, Kunlun, a Chinese public company listed on the Shenzhen Stock Exchange, indirectly owns 68.8% of our issued and outstanding ordinary shares. As such, we are a consolidated subsidiary of Kunlun."

History

… excerpt ends here. Continue reading the full article.

Illustrations

Worked examples

Example 1 — a first encounter with Opera (web browser)

Start with the simplest possible case. Write down what Opera (web browser) claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Opera (web browser) before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Opera (web browser) ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Opera (web browser)

In research: Opera (web browser) appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Opera (web browser) in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Opera (web browser) is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1994 software, 1995 software, Android web browsers, so understanding it makes those chapters shorter.
In everyday life: Look for Opera (web browser) outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Opera (web browser) in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Opera (web browser) means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Opera (web browser) out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Opera (web browser) in simple terms?

Opera is a multi-platform web browser developed by its namesake company Opera. The current edition of the browser is based on Chromium.

Why does Opera (web browser) matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Opera (web browser)?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Opera (web browser).