science

MMode

MMode is a 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 MMode rather than just read about it. In short: mMode was the brand name for the wireless data service offered by the former AT&T Wireless. Based on NTT DoCoMo's i-mode, it was available to any AT&T Wireless subscriber with a WAP-capable phone.

Key takeaways

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

Reference excerpt

mMode was the brand name for the wireless data service offered by the former AT&T Wireless. Based on NTT DoCoMo's i-mode, it was available to any AT&T Wireless subscriber with a WAP-capable phone. Operating over GPRS, EDGE, and UMTS, mMode was the successor to AT&T's unsuccessful CDPD-based Pocketnet. Launched in April 2002, it was no longer available to new subscribers following the Cingular takeover, but legacy AT&T Wireless subscribers were able to access the system until June 2010.

Features Access to sites with WAP-enabled pages, such as eBay and Yahoo! "@mmode.com" email account Ringtones and graphics available for purchase and download "Find a Friend", a service which enabled one subscriber to find another subscriber's approximate location using triangulation. Cingular has since removed this feature. mMode Music Store, launched in October 2004, allowed subscribers to purchase music and have it charged to their wireless bill (note that the music could not be played on the phone, it had to be downloaded to the user's computer)

References

AT&T debuts "mMode" wireless Web - CNET News AT&T Wireless opens mobile music store - CNET News Cingular to Shut Down mMode LBS Services - PhoneNews.com

Worked examples

Example 1 — a first encounter with MMode

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

In research: MMode appears in 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 MMode 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: MMode is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2002 introductions, AT&T, Mobile telecommunication services, so understanding it makes those chapters shorter.
In everyday life: Look for MMode 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 MMode in 20 minutes

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

Frequently asked questions

What is MMode in simple terms?

mMode was the brand name for the wireless data service offered by the former AT&T Wireless. Based on NTT DoCoMo's i-mode, it was available to any AT&T Wireless subscriber with a WAP-capable phone.

Why does MMode matter?

Because it connects several 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 MMode?

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 MMode.