AQA A’Level SLR04 Graphs
About this video
AQA Specification Reference
A Level 4.2.4.1
This video explains the user of the graph data structure. We explore how it can be used to represent complex relationships and discuss concepts such as: Weighted graphs, Directed/Undirected graphs, Adjacency Matrix and Adjacency lists.
Key questions:
- What is a graph data structure and how can it be used?
- What is an adjacency matrix and an adjacency list?
00:00 Graphs
00:04 Intro
00:09 What is a graph?
02:28 How is a graph implemented?
03:09 Adjacency matrix
03:17 Adjacency list
04:25 Adjacency matrix vs adjacency list
05:27 What are the applications of a graph?
05:50 Abstraction and graphs
06:16 What operations can be performed on a graph?
07:28 Key questions
07:41 Essential algorithms and data structures text book
08:30 Outro
Last updated: 11.04.25
