computer science

Thrax Lair

Thrax Lair 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 Thrax Lair rather than just read about it. In short: Thrax Lair is a vertically scrolling shooter designed by Randy Turner and published by Rantom Software in 1982 for Atari 8-bit computers. The game is similar in concept to Caverns of Mars from 1981.

Key takeaways

Thrax Lair 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 Thrax Lair to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Thrax Lair from memory before moving on to harder problems.

Reference excerpt

Thrax Lair is a vertically scrolling shooter designed by Randy Turner and published by Rantom Software in 1982 for Atari 8-bit computers. The game is similar in concept to Caverns of Mars from 1981. A version of Thrax Lair for the Commodore 64 was planned, but never released.

Gameplay Viewed from a top-down perspective, the player controls a pterodactyl like creature on a raid into an underground lair of the insects. The player can fire energy bursts in the front, left and right, and the diagonal front directions. Points are scored by shooting enemies and the faster the player flies the more points are earned.

Reception Norman Schreiber reviewed Thrax Lair for Electronic Fun with Computers & Games magazine, and he gave it a 2 out of 5 rating. He concluded: "Thrax Lair certainly is a logical idea for a game. The tragedy is that it's only slightly better than boring." Bill Kunkel wrote in the July 1983 issue of Electronic Games: "With a collection of fantastic sound effects and first rate, if spare, graphics, Thrax Lair makes for an extremely compelling action challenge". He compared the vertically scrolling gameplay to Caverns of Mars. The 1984 Software Encyclopedia from Electronic Games called Thrax Lair "exciting if ultimately repetitive."

See also List of Atari 8-bit computer games

References

External links Thrax Lair at MobyGames Thrax Lair can be played for free in the browser at the Internet Archive

Worked examples

Example 1 — a first encounter with Thrax Lair

Start with the simplest possible case. Write down what Thrax Lair 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 Thrax Lair 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 Thrax Lair 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 Thrax Lair

In research: Thrax Lair 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 Thrax Lair 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: Thrax Lair is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1982 video games, Atari 8-bit computer-only games, Atari 8-bit computer games, so understanding it makes those chapters shorter.
In everyday life: Look for Thrax Lair 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.

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Thrax Lair in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Thrax Lair 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 Thrax Lair out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Thrax Lair in simple terms?

Thrax Lair is a vertically scrolling shooter designed by Randy Turner and published by Rantom Software in 1982 for Atari 8-bit computers. The game is similar in concept to Caverns of Mars from 1981.

Why does Thrax Lair 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 Thrax Lair?

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 Thrax Lair.