Candidates should be able to:

- understand algorithms (written in pseudocode or as flow diagrams), explain what they do, and correct or complete them
- produce algorithms in pseudocode or flow diagrams to solve problems.

What is an algorithm and how can algorithms be represented?

An computer algorithm is a sequence of statements (instructions) that can be executed (carried out) by a computer to perform a particular task.

**Pseudocode** and **flow diagrams** are two ways to represent algorithms.

- Everyday language
**is not used**because the statements would be . . .

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