Revise at school or at home
OCR GCSE Computer Science revision
Revise Computer Systems and Computational Thinking, Algorithms & Programming with narrated lessons, self-marking quizzes and activities, written to the OCR specification by an experienced teacher and textbook author.
- Free sample lessons
- Follows the OCR specification
J277/01
OCR GCSE Computer Science papers
Lessons follow the OCR specification topic by topic, each with a quiz, and the first lessons of each paper are free to try.
Externally assessed
J277/01: Computer Systems revision
Systems architecture and the CPU, memory and storage, data representation, wired and wireless networks, network security, systems software, and the ethical, legal and environmental impacts of technology.
What it covers
- Topic Area 1.1 Systems architecture
- Topic Area 1.2 Memory and storage
- Topic Area 1.3 Networks, connections & protocols
- Topic Area 1.4 Network security
- Topic Area 1.5 Systems software
- Topic Area 1.6 Ethical, legal, cultural & environmental impacts of digital technology
Topics
- Units & Data Storage Free
- Systems Architecture
- Primary & Secondary Storage
- Data Representation & Compression
- Networks & Topologies
- Wired & Wireless Networks, Protocols & Layers
- Network Security
- Systems Software
- Ethical, Legal, Cultural & Environmental Impact
Externally assessed
J277/02: Computational Thinking, Algorithms & Programming revision
Computational thinking, algorithms, searching and sorting, programming fundamentals, producing robust programs, Boolean logic, and programming languages and IDEs.
What it covers
- Topic Area 2.4 Boolean logic
- Topic Area 2.1a Algorithms
- Topic Area 2.2 Programming fundamentals
- Topic Area 2.3 Producing robust programs
- Topic Area 2.5 Programming languages & IDEs
- Topic Area 2.1b Searching & sorting algorithms
Topics
- Boolean Logic Free
- Computational Thinking
- Algorithm Design
- Programming Fundamentals & Data Types
- Sequence, Selection & Iteration
- String Manipulation & File Handling
- Data Structures
- Sub Programs
- Producing Robust Programs
- Programming Languages & IDEs
- Searching & Sorting Algorithms
Built to help it stick
Reading notes again is not the same as remembering them. Every topic is a short lesson you can listen to, followed by a quiz that shows what you know.
Lessons that read to you
Every lesson is narrated, with each line highlighted as it is read. Great for revision, and for anyone who finds long pages of text hard going.
Quizzes that mark themselves
A quiz after every lesson, marked instantly, so you can see straight away what needs another look.
Practice that sticks
Short, regular quizzes and activities spread over time help knowledge move into long-term memory, ready for the exam.
See what to revise next
Track your progress through each paper, earn XP and badges, and spot the topics that need more work.
Getting full access
The first lessons of each paper are free. Full access comes with a school membership or the Student Subscription.
Studying at school?
Many schools already use KnowItAll Ninja. If yours does, your teacher can give you a class code to join, and the papers your school has chosen open up.
For parents and guardians
The Student Subscription gives your child every course on KnowItAll Ninja, including the OCR GCSE Computer Science papers above.
£3.33 a month, billed yearly, or £8.99 monthly
Teaching OCR GCSE Computer Science?
School memberships add homework tasks and a tracker that shows how every student is doing, with a free trial for teachers.
OCR GCSE Computer Science revision questions
Is KnowItAll Ninja free?
The first lessons of each paper are free to try, with no account needed. Full access comes with a school membership or the Student Subscription.
Does it follow the OCR specification?
Yes. The lessons and quizzes are written to the OCR specification for the OCR GCSE Computer Science (J277), by an experienced teacher and textbook author.
Can I use it on my phone?
Yes. Lessons, quizzes and activities work in any up-to-date browser on a phone, tablet or computer, and every lesson can be read aloud.
My school already uses KnowItAll Ninja. Do I need anything else?
No. Join your class with the code from your teacher. A Student Subscription only adds courses your school hasn’t chosen.