11 THEORY CHAPTERS · 46 SECTIONS
OCR J277 reference
Systems architecture, memory and storage, networks, security, software, ethical and legal issues, algorithms, programming, robust design, Boolean logic and development tools.
Read a complete chapter before signing up
Read the complete Output, variables and data chapter free, with no account needed.
A standalone GCSE reference book inside the platform
Look up the idea you need without replaying a lesson.
The Course Guide is a question-free reference for the whole course: clear explanations, diagrams, worked examples, vocabulary, quick facts, Python guidance and exam tips.
Separate from lessons
A reference guide has a different job
Lessons ask students to retrieve, predict, answer and apply. The Course Guide simply gives them a well-organised place to learn or check the complete topic.
AQA-SPECIFIC GUIDANCE
AQA 8525 reference
The shared GCSE explanations are presented with AQA paper mappings and additional sections for AQA-only content, including databases, SQL and specification-specific details.
8 PYTHON CHAPTERS · 16 SECTIONS
Python handbook
Output and variables, input and calculations, selection, iteration, strings and collections, subprograms, files and CSV, plus testing and robust design.
Use as much detail as you need
Quick check or full explanation
Quick facts
Short summaries surface the information students often need to recall first.
Complete explanations
Connected paragraphs explain what happens, why it matters and how ideas relate.
Diagrams and processes
Topologies, logic, flowcharts, searching, sorting and system processes have visual and textual explanations.
Worked examples
Calculations, algorithms and code show the method using concrete values.
Vocabulary
Key terms are kept with the topic instead of separated into an isolated glossary.
Exam tips
Prompts identify common command-word, precision and application mistakes without promising a grade.
Support in context
The right chapter is never far away
Theory lessons open the relevant chapter in a lightbox. Revision support links to the exact section for that question. Students can also browse the complete contents whenever they choose.
EXAMPLE GUIDE PATH
- Paper 1Memory and storage
- Data representationImages, sound, text, compression and calculations
- Worked exampleCalculate image storage with different values
Keep the whole course within reach
The Course Guide is included with individual access and remains separate from progress and questions.