computer science

Platform-specific model

Platform-specific model 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 Platform-specific model rather than just read about it. In short: A platform-specific model is a model of a software or business system that is linked to a specific technological platform (e.g. a specific programming language, operating system, document file format or database). Platform-specific models are indispensable for the actual implementation of a system.

Key takeaways

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

Reference excerpt

A platform-specific model is a model of a software or business system that is linked to a specific technological platform (e.g. a specific programming language, operating system, document file format or database). Platform-specific models are indispensable for the actual implementation of a system. For example, if a business needs to implement an online shop, then their software system will need to store different kinds of information: available goods, user info such as credit cards, etc. The designer might decide to use for this purpose an Oracle database. For this to work, the designer will need to express concepts (e.g. the concept of a user) in a relational model using the Oracle's SQL dialect. This Oracle's specific relational model is an example of a Platform-specific model. In Model-driven architecture, a platform-specific model is where the design of the model is constructed with the intended execution-platform driving design choices.

Related Concepts ATLAS Transformation Language (ATL) Domain Specific Language (DSL) Domain-specific modelling (DSM) Eclipse Modeling Framework (EMF) Generic Modeling Environment (GME) Graphical Modeling Framework (GMF) Meta-Object Facility (MOF) Meta-modeling Model-based testing (MBT) Model-driven architecture (MDA) Model Transformation Language (MTL) Object Constraint Language (OCL) Object-oriented analysis and design (OOAD) Visual Automated model Transformations VIATRA XML Metadata Interchange (XMI)

References

Worked examples

Example 1 — a first encounter with Platform-specific model

Start with the simplest possible case. Write down what Platform-specific model 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 Platform-specific model 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 Platform-specific model 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 Platform-specific model

In research: Platform-specific model 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 Platform-specific model 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: Platform-specific model is common in secondary-school and first-year university syllabi. It links to neighbouring topics Software architecture, Systems engineering, so understanding it makes those chapters shorter.
In everyday life: Look for Platform-specific model 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 Platform-specific model in 20 minutes

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

Frequently asked questions

What is Platform-specific model in simple terms?

Why does Platform-specific model 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 Platform-specific model?

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 Platform-specific model.