A complete visual revision guide covering every topic in OCR GCSE Computer Science J277 Unit 2 (Algorithms & Programming). Designed to support retrieval practice, revision, classroom displays and independent study through engaging, infographic-style knowledge organisers.

This resource contains 31 professionally designed A4 revision pages, carefully matched to the OCR J277 v3.1 specification, making it ideal for GCSE lessons, homework, intervention sessions and exam preparation.

Unlike traditional knowledge organisers, each page uses:

Large diagrams and visual explanations
Colour-coded sections
Worked examples
Exam tips
Simple comparisons
Memory cues
Minimal unnecessary text to reduce cognitive load

Topics included
2.1 Algorithms
Computational Thinking
Inputs, Processes & Outputs
Structure Diagrams
Flowcharts
Pseudocode
Trace Tables
Linear Search
Binary Search
Searching Comparison
Bubble Sort
Insertion Sort
Merge Sort
Sorting Comparison
2.2 Programming Fundamentals
Variables
Constants
Assignment
Input & Output
Operators
Data Types
Arrays
Functions
Procedures
Parameters
Strings
File Handling
SQL
Random Numbers
2.3 Producing Robust Programs
Defensive Design
Validation
91¶¶Òõting
91¶¶Òõt Data
2.4 Boolean Logic
Logic Gates
Truth Tables
Logic Diagrams
2.5 Programming Languages
High-level vs Low-level Languages
Compiler vs Interpreter
Integrated Development Environments (IDE)
Perfect for
GCSE Computer Science (OCR J277)
Classroom teaching
Retrieval practice
Starter activities
Revision lessons
Homework
Intervention groups
Independent revision
Classroom displays
Exam preparation
What’s included
31 full-colour A4 revision pages
Front cover
Print-ready PDF
High-resolution graphics
OCR J277 v3.1 aligned content
Specification
Exam Board: OCR
Qualification: GCSE Computer Science (9–1)
Specification: J277 v3.1
Unit: Algorithms & Programming

Created by an experienced Head of Computer Science and OCR GCSE teacher, these revision pages have been designed specifically to improve recall, simplify complex concepts and build student confidence before examinations.