OCR A-Level Computer Science Component 2 Revision Pack — Algorithms and Programming (H446)

Everything your A-Level Computer Science students need to revise confidently for OCR Component 2 — in one complete, ready-to-use pack.

This revision pack covers all three topic areas assessed in OCR A-Level Computer Science Component 2 (H446 — Algorithms and Programming), providing structured revision notes, exam-style practice questions, and a full mark scheme. Ideal for use in lessons, revision sessions, or as a self-study resource for students.

**What's included:**

- **Revision Notes** — Comprehensive topic-by-topic notes covering the entire Component 2 specification, including key definitions, worked examples, and exam tips

- **Practice Questions** — 8 exam-style questions with mark allocations, spanning all three topic areas

- **Answer Scheme** — Full model answers with detailed mark-by-mark breakdowns for every question

**Topics covered:**

- **Elements of Computational Thinking** — Abstraction (representational, by generalisation, procedural, functional, and data abstraction), information hiding, thinking ahead, decomposition, thinking logically, and thinking concurrently

- **Problem Solving and Programming** — Global vs local variables, passing parameters by value and by reference, Object-Oriented Programming (encapsulation, inheritance, polymorphism, classes and objects), recursion (base case, stack frames, stack overflow), programming paradigms (procedural vs OOP), IDE debugging tools (breakpoints, stepping, variable watches)

- **Standard Algorithms** — Big O notation ($O(1)$, $O(\log n)$, $O(n)$, $O(n \log n)$, $O(n^2)$), linear search, binary search, bubble sort, insertion sort, merge sort, quick sort, Depth-First Search (DFS), Breadth-First Search (BFS), Dijkstra's shortest path algorithm, A* algorithm

**Suitable for:** OCR A-Level Computer Science specification H446.

**Delivered as:** A single ZIP file containing all three documents. Download instantly and use in your classroom tomorrow.