computer science

Plus (interbank network)

Plus (interbank network) 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 Plus (interbank network) rather than just read about it. In short: Visa Plus is a worldwide interbank network that provides cash to Visa cardholders. As a subsidiary of Visa Inc., it connects all Visa credit, debit and prepaid cards, as well as ATM cards issued by various banks worldwide bearing the Visa / Electron logo.

Key takeaways

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

Reference excerpt

Visa Plus is a worldwide interbank network that provides cash to Visa cardholders. As a subsidiary of Visa Inc., it connects all Visa credit, debit and prepaid cards, as well as ATM cards issued by various banks worldwide bearing the Visa / Electron logo. Plus System, Inc. started out as a consortium formed by 34 major U.S. banks to build a national network of automated teller machines (ATM). It initially was composed of 2,000 ATMs linking 1,000 banks and their customers in 47 states. As the booming ATM industry outgrew regional networks and began to go nationwide in the mid-1980s, payment card giant Visa sought entry in the lucrative ATM network business and acquired a third of Plus System in 1987. Currently, there are over one million Plus-linked ATMs in 170 countries worldwide.

By default, Visa / Electron cards are linked to the Plus network, with Plus logo on the back of the cards. Plus is widely used as a local interbank network most common in the United States where networks such as STAR, NYCE and Pulse also compete. It is also used in Canada where it is usually combined with Interac, and in India and Indonesia where there are numerous competing interbank networks. The main competitor of Plus System is the Cirrus network, which is owned by Mastercard, Visa's longtime rival.

References

External links Visa ATM locator The Premier ATM Network: 1982-1992

Illustrations

Example of a Visa Debit card with Plus logo on the back side

Worked examples

Example 1 — a first encounter with Plus (interbank network)

Start with the simplest possible case. Write down what Plus (interbank network) 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 Plus (interbank network) 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 Plus (interbank network) 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 Plus (interbank network)

In research: Plus (interbank network) 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 Plus (interbank network) 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: Plus (interbank network) is common in secondary-school and first-year university syllabi. It links to neighbouring topics Finance stubs, Financial services companies established in 1982, Interbank networks, so understanding it makes those chapters shorter.
In everyday life: Look for Plus (interbank network) 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 Plus (interbank network) in 20 minutes

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

Frequently asked questions

What is Plus (interbank network) in simple terms?

Why does Plus (interbank network) 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 Plus (interbank network)?

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 Plus (interbank network).