GCSE Computer Science
Algorithms, programming, data, hardware, networks and databases, with code questions in your board's style.
AQA 8525, OCR J277 and Pearson Edexcel 1CP2
- 10 units
- 42 lessons
- 20 free
- 15 hr 35 min in all
The course, unit by unit
Algorithms and programming
2 units
- Algorithms 5 lessons1 hr 55 min2 freePlus AQA 3.1.1 to 3.1.4OCR 2.1.1 to 2.1.3Edexcel Topic 1 Revision notes: Searching algorithms: linear and binary search
- Programming in exam style 6 lessons2 hr 10 min2 freePlus AQA 3.2.1 to 3.2.11, 3.7.1OCR 2.2.1 to 2.2.3, 2.3.1, 2.3.2Edexcel Topic 6 (and Topic 1 for trace tables) Revision notes: Data types, variables and operators
Databases and impacts
2 units
- Databases and SQL 3 lessons1 hr 15 min2 freePlus AQA 3.7.1 and 3.7.2OCR 2.2.3 (records, SQL, 2D arrays as tables, file handling)Edexcel 1.2.2 and 6.3.1 (records), 6.4.2 (CSV text files) Revision notes: Databases and SQL queries
- Ethical, legal and environmental impacts 4 lessons1 hr 25 min2 freePlus AQA 3.8OCR 1.6.1Edexcel Topic 5 (including 5.2.2 and 5.2.3) Revision notes: Ethical, legal and environmental impacts of computing
Data representation
1 unit
Computer systems
3 units
- Computer systems 5 lessons1 hr 50 min2 freePlus AQA 3.4.1, 3.4.3 and 3.4.5OCR 1.1.1 to 1.1.3, 1.2.1, 1.2.2, 1.5.1 and 1.5.2Edexcel Topic 3 Revision notes: The CPU and the fetch-execute cycle
- Boolean logic 3 lessons1 hr 10 min2 freePlus AQA 3.4.2OCR 2.4.1Edexcel Topic 3 (logic) Revision notes: Logic gates and truth tables
- Languages and translators 3 lessons1 hr 5 min2 freePlus AQA 3.4.4OCR 2.5.1 and 2.5.2Edexcel Topic 3 (programming languages and translators) Revision notes: High and low-level languages, compilers and interpreters
Networks and security
2 units
- Networks and protocols 4 lessons1 hr 30 min2 freePlus AQA 3.5OCR 1.3.1 and 1.3.2Edexcel Topic 4 Revision notes: Networks, hardware and topologies
- Cyber security 4 lessons1 hr 20 min2 freePlus AQA 3.6OCR 1.4.1 and 1.4.2Edexcel Topic 5 (cyber security) and Topic 2 (encryption) Revision notes: Cyber security: malware, social engineering and attacks
No units match these choices. Try All boards or Both tiers.
Mock papers and topic tests
Every unit ends with a topic test, and the mock papers are timed like the real exams. Each one is marked when you hand it in, with every worked solution and a grade estimate. Take them when you feel ready.
- AQA GCSE Computer Science (8525) mock exam
- OCR GCSE Computer Science (J277) mock exam
- Pearson Edexcel GCSE Computer Science (1CP2) mock exam
Included in Brainlag Plus
Revise and practise alongside
Questions
Which exam boards does GCSE Computer Science cover?
It follows AQA 8525, OCR J277 and Pearson Edexcel 1CP2. Choose your board above and each unit shows its specification reference for that board.
What is free?
20 of the 42 lessons are free, with exam-style questions marked as you go. Brainlag Plus opens the rest of the lessons, the topic tests and the mock papers.
Do I need an account?
No. Your progress is saved in this browser. Sign in to keep it on your phone and your computer, and your exam board and tier stay with your account.
How long does it take?
About 15 hr 35 min of lessons in 10 units. Each lesson takes 20 to 25 minutes, so one fits between other things.
AQA, Pearson Edexcel and OCR are registered trade marks of their owners. Brainlag Learn is independent: it is not affiliated with or endorsed by any exam board, and every question on it is original.