Data Structures resources
Computer Science, grade 11. Notes, worksheets, videos, interactive tools and revision materials for this chapter.
Notes
Study notes
The chapter's lessons are the notes — read them in order, then use the resources below.
01Using StacksStore data last-in, first-out, like a pile of plates.Read lesson →02Using QueuesStore data first-in, first-out, like a real queue.Read lesson →03Tree StructuresOrganise hierarchical data with binary trees and traversals.Read lesson →04Graph NetworksModel networks and relationships with nodes and edges.Read lesson →
Worksheets
Practice worksheet
Attempt every question before revealing the answer — that struggle is where learning happens.
Practice questions live inside each lesson — work through them there, then return for revision.
Videos
Watch and learn
Hand-picked searches to find a clear video explanation of each lesson.
Revision
Revision checklist
Can you explain each of these out loud, without looking? If not, re-read that lesson.
- Using Stacks: Store data last-in, first-out, like a pile of plates.
- Using Queues: Store data first-in, first-out, like a real queue.
- Tree Structures: Organise hierarchical data with binary trees and traversals.
- Graph Networks: Model networks and relationships with nodes and edges.
- Read each lesson's summary and re-do its practice questions from memory.