Fundamentals
Binary & denary, hex, data representation
Explore Computing Concepts with clarity
Concise explanations, interactive examples, and printable worksheets for GCSE & A-Level. Start with foundations or jump straight to algorithms and data structures.
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Jump into a category to find lessons, examples, and worksheets.
Algorithms
Searching & sorting, complexity, pseudocode walkthroughs.
Data Structures
Stacks, queues, linked lists, trees, graphs with visuals.
Logic
Truth tables, logic circuits, Karnaugh maps with practice.
Graphs
Dijkstra and A* pathfinding
Sorting
Bubble, merge, quick, insertion sorts with step-by-step traces.
Learning paths
Structured sequences for newcomers and exam prep.
Start here: Binary to Logic
Build strong foundations: convert between number systems, understand two’s complement, and apply logic gates to solve problems.
Exam Boosters
Targeted practice sets with mark-scheme style solutions for quick revision and last-minute confidence.
Browse worksheets