GCSE Computer Science practice
OCR J277: code in OCR Exam Reference Language.
Algorithms
Programming
- Reading OCR Exam Reference Language20 questions
- Data types and casting21 questions
- Variables, constants, operators and input19 questions
- Selection and Boolean conditions15 questions
- Count-controlled and condition-controlled loops9 questions · Free
- String handling16 questions
- Arrays and records15 questions
- Procedures, functions and parameters13 questions
- Reading and writing files14 questions
- Validation, authentication and maintainable code14 questions
- Testing and errors16 questions
- The IDE15 questions
Data representation
Computer systems
- The CPU and the fetch-execute cycle15 questions
- Von Neumann architecture and registers13 questions
- CPU performance and embedded systems14 questions
- RAM, ROM, cache and virtual memory15 questions
- Secondary storage and the cloud12 questions
- Logic gates and truth tables15 questions · Free
- Operating systems and utility software15 questions
- Programming languages and translators12 questions