computer science

Open eBook

Open eBook 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 Open eBook rather than just read about it. In short: Open eBook (OEB), or formally, the Open eBook Publication Structure (OEBPS), is a legacy e-book format which has been superseded by the EPUB format. It was "based primarily on technology developed by SoftBook Press" and on XML.

Key takeaways

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

Reference excerpt

Open eBook (OEB), or formally, the Open eBook Publication Structure (OEBPS), is a legacy e-book format which has been superseded by the EPUB format. It was "based primarily on technology developed by SoftBook Press" and on XML. OEB was released with a free version belonging to public domain and a full version to be used with or without DRM by the publishing industry. Open eBook is a ZIP file plus a Manifest file. Inside the package a defined subset of XHTML may be used, along with CSS and Dublin Core metadata. The default file extension is .opf (OEB Package Format).

Specification release history September 1999 – Open eBook Publication Structure (OEBPS) 1.0 released June 2001 – OEBPS 1.0.1 replaces OEBPS 1.0 August 2002 – OEBPS 1.2 Recommended Specification Released September 2007 – Open Publication Structure (OPS) 2.0, EPUB. Released, supersedes the OEBPS 1.2

Reader software SoftBook Adobe Digital Editions FBReader – GPL e-book reader for Unix/Windows computers. Lexcycle Stanza Mobipocket Openberg Lector – cross-platform reader released under the GPL and based on Mozilla platform

Reader devices SoftBook Sony Reader – As of 2008 the Sony Reader PRS-505 supports the EPUB file format. Intel Reader Barnes & Noble Nook Kobo eReader

See also Comparison of e-book formats Open Packaging Conventions

References

External links Open eBook Forum Openberg Open Publication Structure (OPS) 2.0 Adobe's Sample eBook Library Article "EPUB" at the MobileRead Wiki ePub Validator - This utility allows to validate the epub file to ePub standards of 1.0.5 https://github.com/idpf/epubcheck EPUB Validator (beta)

Worked examples

Example 1 — a first encounter with Open eBook

Start with the simplest possible case. Write down what Open eBook 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 Open eBook 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 Open eBook 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 Open eBook

In research: Open eBook 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 Open eBook 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: Open eBook is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2007 disestablishments, Computer-related introductions in 1999, Markup languages, so understanding it makes those chapters shorter.
In everyday life: Look for Open eBook 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 Open eBook in 20 minutes

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

Frequently asked questions

What is Open eBook in simple terms?

Why does Open eBook 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 Open eBook?

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 Open eBook.