engineering

Halvor Bothner-By

Halvor Bothner-By is a engineering 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 Halvor Bothner-By rather than just read about it. In short: Halvor Bothner-By (August 20, 1938 - June 13, 2014) was a telecommunication engineer of the Norwegian Telecommunications Administration. He was a rapporteur on packet switching for the CCITT.

Key takeaways

Halvor Bothner-By belongs to engineering; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Halvor Bothner-By to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Halvor Bothner-By from memory before moving on to harder problems.

Reference excerpt

Halvor Bothner-By (August 20, 1938 - June 13, 2014) was a telecommunication engineer of the Norwegian Telecommunications Administration. He was a rapporteur on packet switching for the CCITT. As such, he chaired the group that, in March 1975, proposed to the CCITT Recommendation X.2x on virtual circuits to be offered by public networks. After its unanimous approval at the May 1976 CCITT plenary, it became the well-known protocol X.25. He was also renowned for having coined the term datagram in the early seventies on a train between Paris and Rennes on the way to attend a CEPT Rapporteur meeting.

References

Worked examples

Example 1 — a first encounter with Halvor Bothner-By

Start with the simplest possible case. Write down what Halvor Bothner-By claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, 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 Halvor Bothner-By 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 Halvor Bothner-By 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 Halvor Bothner-By

In research: Halvor Bothner-By appears in engineering 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 Halvor Bothner-By 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: Halvor Bothner-By is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1938 births, 2014 deaths, 20th-century Norwegian engineers, so understanding it makes those chapters shorter.
In everyday life: Look for Halvor Bothner-By 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 Halvor Bothner-By in 20 minutes

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

Frequently asked questions

What is Halvor Bothner-By in simple terms?

Halvor Bothner-By (August 20, 1938 - June 13, 2014) was a telecommunication engineer of the Norwegian Telecommunications Administration. He was a rapporteur on packet switching for the CCITT.

Why does Halvor Bothner-By matter?

Because it connects several engineering 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 Halvor Bothner-By?

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 Halvor Bothner-By.