A formula used to turn ordinary data, or "plaintext," into a secret coded message known as "ciphertext." The ciphertext can reside in storage or travel over unsecure networks without its contents ...

This section examines how to take a problem, decompose it and design an algorithm to solve it. The following example has been written by BBC Bitesize consultants as a suggestion of the type of problem ...

In the age of Facebook and Netflix, the word “algorithm” has become so ubiquitous, and its connotation so amorphous, that it’s verging on jargon—maybe even cliché. The Atlantic’s Ian Bogost has ...