computer science

Orchid Graphics Adapter

Orchid Graphics Adapter 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 Orchid Graphics Adapter rather than just read about it. In short: The Orchid Graphics Adapter is a graphics board for IBM PC compatible computers, released in 1982 by Orchid Technology. It was intended to provide high resolution (at the time) monochrome graphic abilities to computers limited to text displays.

Key takeaways

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

Reference excerpt

The Orchid Graphics Adapter is a graphics board for IBM PC compatible computers, released in 1982 by Orchid Technology. It was intended to provide high resolution (at the time) monochrome graphic abilities to computers limited to text displays. It was aimed at the business market and one of the three first third party graphic boards for PCs (the others being Plantronics Colorplus and Hercules Graphics Card). It offered a monochrome 720 × 350 pixel resolution (similar to Hercules Graphics Card) and required an existing MDA board to function. The board also offered an IBM PC joystick adapter. No software, other than GSX-86 and that supplied with the board (Dr. Halo by Media Cybernetics), offered support for the hardware. Graphic routines could be called from FORTRAN, PASCAL or IBM BASIC.

Output capabilities 720 × 350 monochrome graphics, pixel aspect ratio of 1:1.55.

See also Plantronics Colorplus Hercules Graphics Card IBM Monochrome Display Adapter

References

Illustrations

Worked examples

Example 1 — a first encounter with Orchid Graphics Adapter

Start with the simplest possible case. Write down what Orchid Graphics Adapter 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 Orchid Graphics Adapter 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 Orchid Graphics Adapter 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 Orchid Graphics Adapter

In research: Orchid Graphics Adapter 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 Orchid Graphics Adapter 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: Orchid Graphics Adapter is common in secondary-school and first-year university syllabi. It links to neighbouring topics Computer-related introductions in 1982, Computer display standards, Computer hardware stubs, so understanding it makes those chapters shorter.
In everyday life: Look for Orchid Graphics Adapter 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 Orchid Graphics Adapter in 20 minutes

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

Frequently asked questions

What is Orchid Graphics Adapter in simple terms?

Why does Orchid Graphics Adapter 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 Orchid Graphics Adapter?

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 Orchid Graphics Adapter.