A LEVEL AQA Topic A 4 : Theory of Computation Notes Definitions Questions by Topic 4.1. Abstraction and Automation MS4.1. Abstraction and Automation QP4.2. Regular Languages MS4.2. Regular Languages QP4.3. Context-Free Languages MS4.3. Context-Free Languages QP4.4. Classification of Algorithms MS4.4. Classification of Algorithms QP4.5. A Model of Computation MS4.5. A Model of Computation QP Advanced Notes 4.1. Abstraction and Automation – Advanced4.2. Regular Languages – Advanced4.3. Context-Free Languages – Advanced4.4. Classification of Algorithms – Advanced4.5. A Model of Computation – Advanced Intermediate Notes 4.1. Abstraction and Automation – Intermediate4.3. Context-Free Languages – Intermediate4.5. A Model of Computation – Intermediate Concise Notes 4.1. Abstraction and Automation – Concise4.3. Context-Free Languages – Concise4.5. A Model of Computation – Concise