OCR GCSE Computer Science Paper 2 Revision Pack — Computational Thinking, Algorithms & Programming (J277)

Save hours of revision planning with this complete, ready-to-use OCR GCSE Computer Science Paper 2 revision pack.**

This pack covers all five topic areas assessed in OCR GCSE Computer Science Paper 2 (J277 — Computational Thinking, 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 Paper 2 specification, including key definitions, worked examples, and exam tips

- **Practice Questions** — 9 exam-style questions with mark allocations, spanning all five topic areas

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

**Topics covered:**

- **Algorithms** — Abstraction, decomposition, algorithmic thinking, pseudocode, flowcharts, linear search, binary search, bubble sort, merge sort, insertion sort

- **Programming Fundamentals** — Variables and constants, data types, casting, sequence, selection and iteration, 1D and 2D arrays, file handling, SQL queries, procedures and functions

- **Producing Robust Programs** — Input validation (length, presence, range, format checks), input sanitisation, iterative and terminal testing, syntax errors vs logic errors, normal/boundary/invalid test data

- **Boolean Logic** — AND, OR, NOT logic gates, truth tables, logic circuits with up to two levels of logic

- **Programming Languages and IDEs** — High-level vs low-level languages, machine code, assembly language, compilers, interpreters, assemblers, IDE features (editor, error diagnostics, run-time environment)

**Suitable for:** OCR GCSE Computer Science specification J277.

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