Exercises

Every exercise from the courses, in one place. Search for a specific one, filter by subject, or let chance pick one for you.

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Flash questionsShort drills on core skills, as cards to project or print.See the series

1120 exercises

Atomic orbitals and quantum numbers

Physique – Physique quantique4 exercises

Short answerAdvanced

Counting the orientations of a p orbital

Orbital or orbit?

Short answerAdvanced

Electron configuration of carbon

Open answerAdvanced

Why the periodic table has the shape it has

The laser: stimulated emission and population inversion

Physique – Physique quantique4 exercises

The perfect clone

Open answerAdvanced

Why is population inversion needed?

What makes the laser coherent

Short answerAdvanced

The meaning of the acronym LASER

How the Internet works

Informatique – Réseaux4 exercises

The layer that routes

Short answerAdvanced

The counter that protects the network

The top of the DNS hierarchy

The order of the handshake

Finite automata

Informatique – Théorie4 exercises

Recognizing an accepting state

Short answerAdvanced

The starting point

Trace on « aba »

Open answerAdvanced

The equivalent regular expression

The one-time pad and perfect secrecy

Cryptographie – Fondamentaux4 exercises

Unbreakable, really?

Short answerAdvanced

Computing a XOR

Which golden rule is violated?

Open answerAdvanced

Explaining the danger of reuse

Block ciphers and their modes

Cryptographie – Symétrique4 exercises

ECB's Achilles heel

Short answerAdvanced

Counting the blocks after padding

The signature of CTR mode

Open answerAdvanced

The mortal sin: reusing a nonce