computer science

Ivan Krstić

Ivan Krstić 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 Ivan Krstić rather than just read about it. In short: Ivan Krstić is a Croatian computer security expert, currently working on core security at Apple Inc. Krstić was previously the director of security architecture at One Laptop per Child.

Key takeaways

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

Reference excerpt

Ivan Krstić is a Croatian computer security expert, currently working on core security at Apple Inc. Krstić was previously the director of security architecture at One Laptop per Child. He is a co-author of The Official Ubuntu Book (ISBN 978-0-13-243594-9).

Biography Born in Croatia, Krstić received a scholarship to attend the Cranbrook Kingswood school in Michigan, U.S, when he was 15. In 2004, he enrolled at Harvard College but took a year's leave to work on secure electronic healthcare at Croatia's largest children's hospital. After returning to Harvard in 2005, he took another leave when offered a position with One Laptop per Child. While there, he designed the Bitfrost security architecture and personally oversaw the project's first two in-country deployments, in Uruguay and Peru. He left the project in early 2008 and later joined Apple in May 2009.

Recognition In 2007, Krstić became a TR35 laureate, selected by the MIT Technology Review as one of the world's top 35 innovators under the age of 35. A year later, eWeek magazine declared him one of the top three most influential people in modern computer security, and one of the top 100 in all of IT.

References

Illustrations

Worked examples

Example 1 — a first encounter with Ivan Krstić

Start with the simplest possible case. Write down what Ivan Krstić 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 Ivan Krstić 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 Ivan Krstić 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 Ivan Krstić

In research: Ivan Krstić 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 Ivan Krstić 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: Ivan Krstić is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1986 births, Apple Inc. employees, Computer security specialists, so understanding it makes those chapters shorter.
In everyday life: Look for Ivan Krstić 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 Ivan Krstić in 20 minutes

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

Frequently asked questions

What is Ivan Krstić in simple terms?

Ivan Krstić is a Croatian computer security expert, currently working on core security at Apple Inc. Krstić was previously the director of security architecture at One Laptop per Child.

Why does Ivan Krstić 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 Ivan Krstić?

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 Ivan Krstić.