computer science

NTT Plala

NTT Plala 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 NTT Plala rather than just read about it. In short: Plala (ぷらら) is a major Japanese Internet service provider operated by NTT Plala Inc. It was established in 1995 and focuses on consumer internet services.

Key takeaways

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

Reference excerpt

Plala (ぷらら) is a major Japanese Internet service provider operated by NTT Plala Inc. It was established in 1995 and focuses on consumer internet services. Its major stockholder is NTT Communications Corp. The company's name was changed to "NTT Plala" from "Plala" on March 1, 2008. On May 26, 2022, NTT Docomo announced that it would absorb Plala on July 1, consolidating the businesses of the two companies.

References

"Japanese ISP Applies Service Control Solutions for Secure Broadband Services". CISCO. Retrieved 2008-02-06.2331312

External links (in Japanese) Official Plala website

Worked examples

Example 1 — a first encounter with NTT Plala

Start with the simplest possible case. Write down what NTT Plala 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 NTT Plala 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 NTT Plala 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 NTT Plala

In research: NTT Plala 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 NTT Plala 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: NTT Plala is common in secondary-school and first-year university syllabi. It links to neighbouring topics Ikebukuro, Internet service providers of Japan, Japanese companies established in 1995, so understanding it makes those chapters shorter.
In everyday life: Look for NTT Plala 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 NTT Plala in 20 minutes

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

Frequently asked questions

What is NTT Plala in simple terms?

Plala (ぷらら) is a major Japanese Internet service provider operated by NTT Plala Inc. It was established in 1995 and focuses on consumer internet services.

Why does NTT Plala 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 NTT Plala?

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 NTT Plala.