A Level / A2
Computer Science
Structured resources, paper overview, syllabus breakdown, chapter navigation, and notes for Cambridge International A Level Computer Science 9618.
Quick Resources
Notes
Open A2 Level 9618 topic-based notes.
Syllabus
Official Cambridge A2 Level Computer Science 9618 syllabus.
Question Bank
Topic-wise and paper-wise A2 Level questions. Currently under construction.
YouTube Playlist
Video lessons and solved paper explanations for A2 Level Computer Science.
A2 Custom GPT
Chatbot for A2 9618 Computer Science support.
Book
Recommended coursebook or textbook resource for A2 9618.
Pseudocode Guide
Official Cambridge pseudocode guide for AS/A Level 9618.
Assessment Overview
A Level Computer Science 9618 extends AS knowledge with advanced theory and advanced problem-solving/programming. Paper 3 focuses on advanced theory, while Paper 4 focuses on computational thinking, algorithms, ADTs, recursion and programming paradigms.
Paper 3 – Advanced Theory
Advanced theory content covering data representation, communication and internet technologies, hardware and virtual machines, system software, security, and artificial intelligence.
Duration
A Level component
Marks
A Level assessment
Weight
A2 / A Level content
Content
Topics 13–18
- Based on the A Level theory content.
- Builds on AS theory knowledge.
- Includes advanced computer architecture, operating systems, encryption, AI and Boolean algebra.
- Requires deeper explanation, comparison and application of concepts.
Paper 4 – Practical / Problem-solving
Advanced problem-solving and programming content covering algorithms, recursion, abstract data types, programming paradigms, file processing and exception handling.
Duration
A Level component
Marks
A Level assessment
Weight
A2 / A Level content
Content
Topics 19–20
- Based on the A Level computational thinking and programming content.
- Builds on AS pseudocode and programming skills.
- Includes searching, sorting, ADTs, Big O notation, recursion and programming paradigms.
- Requires algorithm writing, tracing, problem-solving and practical programming understanding.
Syllabus Content
The A Level syllabus is divided into Paper 3 and Paper 4 content. Use “Open Chapter” to open the matching notes chapter, or “Open Description” to expand the detailed syllabus table for each topic.
Paper 3 – Advanced Theory
Topic 14
Communication and internet technologies
Topic 15