Data Structures & Algorithms
What data structures & algorithms means
Arrays, stacks, queues, searching and sorting.
Before you start
Not confident yet? Work through Programming Fundamentals first.
Worked example
One question from this skill's own question bank, shown with its full working.
An array stores
- a collection of items in indexed order
- only one value
- a network address
- a password
Working: Array elements are accessed by their index position.
Curriculum and exam alignment
Curriculum notes are a general guide to where this work normally sits. Always check the syllabus your school or examination body is currently using.
Related skills
Other Programming & Data Structures skills in Computer Science, at the same point in the course.
Other Computer Science topics
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Practise data structures & algorithms
6 questions with a worked answer after every attempt, and a SmartScore that tracks how close you are to mastery.