Free Computer Science Resources
Download student-friendly IGCSE Computer Science PDFs designed for quick revision, exam practice, and confident answers.
Start with the Quick Revision Sheets
A compact, clear set of revision sheets covering the essentials at a glance, perfect for last-minute review and topic recap.
- Revise key IGCSE Computer Science topics quickly.
- Use clear summaries to check understanding.
- Build confidence before tests and exams.
- Pair with the video lessons for stronger revision.
Free Resource Vault
Browse the free PDFs by category.
Revision Sheets
Topic-by-topic revision
CPU FDE Revision Notes
Revise the CPU, registers, and the fetch-decode-execute cycle with a clear quick-reference guide.
Cyber Security Basics Revision Sheet
Revise passwords, phishing, malware, threats, and protection methods in a student-friendly format.
Network Topologies Revision Sheet
Compare star, mesh, bus, and ring network layouts with clear explanations and exam-friendly notes.
RAM vs ROM Revision Sheet
Compare volatile and non-volatile memory with definitions, examples, and key differences.
Storage Units Revision Sheet
Revise bits, bytes, kilobytes, megabytes, gigabytes, and storage unit conversions.
ASCII / Unicode Revision Sheet
Revise character sets, ASCII, Unicode, and how computers represent text.
File Compression Revision Sheet
Understand file sizes, compression, lossless compression, and lossy compression.
Exam Success
Exam technique and mark boosters
Biggest Exam Trick
A quick guide to spotting what exam questions are really asking before you answer.
How To Answer Questions
Learn how to structure explain-style answers clearly and pick up more marks.
Paper 1 Examiner Secrets
Exam-focused advice to help students avoid common mistakes and improve their answers.
Top Mistakes in Binary
Fix common binary conversion and calculation mistakes with clear revision guidance.
30 Things Students Do Wrong
A checklist of common student errors to avoid during revision and exam practice.
Common Logic Errors
Spot common logic, algorithm, and programming mistakes before they cost marks.
Practice Packs
Questions and fast recall
20 Exam Questions
Exam-style data representation questions for focused practice and confidence building.
Quick Revision Sheets
Fast revision prompts to help students recap important computer science ideas.
Data Representation Cheat Sheet
A compact cheat sheet for binary, character sets, images, sound, and storage basics.
Core Concepts
Foundations and key terms
Binary Starter Pack
Binary basics, bits and bytes, conversion practice, ASCII, Unicode, and exam-style questions.
Binary Hex Revision Notes
Practise binary, hexadecimal, conversions, and number-system exam skills.
Command Words Guide
Understand exam command words so you know exactly what each question is asking.
Top 50 Definitions
Key computer science definitions for quick recall, revision, and stronger exam answers.
Resource Topics
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