Principles of Computer Science

RZ: Computational Thinking

3 Revisions Steps | 1 Quiz

RS: Learn It! (Decomposition & Abstraction – Edexcel)

RS: Check your Understanding (Computational Thinking)

RS: Written Exam Questions (Computational Thinking)

Q: Computational Thinking GCSE

RZ: Search Algorithms

3 Revisions Steps | 1 Quiz

RS: Learn It! (Search Algorithms – Edexcel)

RS: Check your Understanding (Search Algorithms)

RS: Written Exam Questions (Search Algorithms)

Q: Linear and Binary Search Algorithms GCSE

RZ: Sorting Algorithms

4 Revisions Steps | 2 Quizzes

RS: Learn It! (Sorting Algorithm – Edexcel)

RS: Check your Understanding (Bubble Sort)

RS: Check your Understanding (Merge Sort)

RS: Written Exam Questions (Bubble Sort)

Q: Bubble Sort Algorithm GCSE

Q: Merge Sort Algorithm GCSE

RZ: Writing Algorithms

2 Revisions Steps | 2 Quizzes

RS: Learn It! (Designing, Creating and Refining Algorithms – Edexcel)

RS: Check your Understanding (Writing Algorithms)

Q: Algorithms 1 GCSE

Q: Algorithms 2 GCSE

RZ: Efficiency of Algorithms

1 Revision Step

RS: Learn It! (Algorithm Efficiency – Edexcel)

RZ: Testing

3 Revisions Steps | 1 Quiz

RS: Learn It! (Testing & Errors – Edexcel)

RS: Check your Understanding (Testing)

RS: Written Exam Questions (Testing)

Q: Testing GCSE

RZ: Logic

2 Revisions Steps | 2 Quizzes

RS: Learn It! (Truth Tables – Edexcel)

RS: Check your Understanding (Logic)

Q: Logic Gates and Truth Tables GCSE

Q: Computational Logic 2 GCSE

RZ: Binary Numbers

5 Revisions Steps | 2 Quizzes

RS: Learn It! (Binary Numbers – Edexcel)

RS: Check your Understanding (Binary Units)

RS: Check your Understanding (Binary Numbers)

RS: Written Exam Questions (Binary Units)

RS: Written Exam Questions (Binary Numbers)

Q: Binary Units GCSE

Q: Binary Numbers GCSE

RZ: Negative Binary Numbers

1 Revision Step

RS: Learn It! (Negative Binary Numbers – Edexcel)

RZ: Hexadecimal

3 Revisions Steps | 2 Quizzes

RS: Learn It! (Hexadecimal – Edexcel)

RS: Check your Understanding (Hexadecimal)

RS: Written Exam Questions (Hexadecimal)

Q: Hexadecimal Number System GCSE

Q: Hexadecimal and Binary Conversions GCSE

RZ: Characters

3 Revisions Steps | 1 Quiz

RS: Learn It! (Characters – Edexcel)

RS: Check your Understanding (Characters)

RS: Written Exam Questions (Characters)

Q: Representing Characters GCSE

RZ: Images

3 Revisions Steps | 1 Quiz

RS: Learn It! (Images – Edexcel)

RS: Check your Understanding (Images)

RS: Written Exam Questions (Images)

Q: Representing Images GCSE

RZ: Sound

3 Revisions Steps | 1 Quiz

RS: Learn It! (Sound – Edexcel)

RS: Check your Understanding (Sound)

RS: Written Exam Questions (Sound)

Q: Representing Sound GCSE

RZ: Compression

3 Revisions Steps | 1 Quiz

RS: Learn It! (Compression & Data Storage– Edexcel)

RS: Check your Understanding (Compression)

RS: Written Exam Questions (Compression)

Q: Compression GCSE

RZ: Function of the CPU

3 Revisions Steps | 1 Quiz

RS: Learn It! (CPU & Memory 1 – Edexcel)

RS: Check your Understanding (Function of the CPU)

RS: Written Exam Questions (Function of the CPU)

Q: The Function of the CPU GCSE

RZ: Von Neumann Architecture

3 Revisions Steps | 1 Quiz

RS: Learnt It! (CPU & Memory 2 – Edexcel)

RS: Check your Understanding (Von Neumann Architecture)

RS: Written Exam Questions (Von Neumann Architecture)

Q: The Von Neumann Architecture GCSE

RZ: Storage

3 Revisions Steps | 1 Quiz

RS: Learn It! (Storage & Embedded Systems – Edexcel)

RS: Check your Understanding (Storage)

RS: Written Exam Questions (Storage)

Q: Storage GCSE

Operating Systems

3 Revisions Steps | 1 Quiz

RS: Learn It! (Operating Systems – Edexcel)

RS: Check your Understanding (Operating Systems)

RS: Written Exam Questions (Operating Systems)

Q: Operating Systems GCSE

RZ: Utility Software

3 Revisions Steps | 1 Quiz

RS: Learn It! (Utility Software – Edexcel)

RS: Check your Understanding (Utility Software)

RS: Written Exam Questions (Utility Software)

Q: Utility Software GCSE

RZ: Translators and IDEs

3 Revisions Steps | 1 Quiz

RS: Learn It! (Languages & Translators – Edexcel)

RS: Check your Understanding (Translators & IDEs)

RS: Written Exam Questions (Translators & IDEs)

Q: Translators and Facilities GCSE

RZ: Networks 1

3 Revisions Steps | 1 Quiz

RS: Learn It! (Networks 1 – Edexcel)

RS: Check your Understanding (LANs)

RS: Written Exam Questions (LANs)

Q: Local Area Networks (LANs) GCSE

RZ: Networks 2

3 Revisions Steps | 1 Quiz

RS: Learn It! (Networks 2 – Edexcel)

RS: Check your Understanding (Ethernet, WiFi and Protocols)

RS: Written Exam Questions (Ethernet, WiFi and Protocols)

Q: Wired, Wireless and Protocols GCSE

RZ: System Security

3 Revisions Steps | 1 Quiz

RS: Learn It! (Cybersecurity – Edexcel)

RS: Check your Understanding (System Security)

RS: Written Exam Questions (System Security)

Q: System Security GCSE

RZ: CS Issues & Legislation

2 Revisions Steps | 1 Quiz

RS: Gain the Knowledge (Issues and Legislation)

RS: Check your Understanding (Issues and Legislation)

Q: Ethical, Legal, Cultural and Environmental Concerns GCSE

Application of Computational Thinking

RZ: Variables & Data Types

3 Revisions Steps | 1 Quiz

RS: Gain the Knowledge (Variables & Data Types)

RS: Check your Understanding (Variables & Data Types)

RS: Written Exam Questions (Variables & Data Types)

Q: Variables and Data Types GCSE

RZ: Program Flow

3 Revisions Steps | 1 Quiz

RS: Gain the Knowledge (Program Flow)

RS: Check your Understanding (Program Flow)

RS: Written Exam Questions (Program Flow)

Q: Program Flow GCSE

RZ: Operations and String Manipulation

3 Revisions Steps | 1 Quiz

RS: Gain the Knowledge (Operations & String Manipulation)

RS: Check your Understanding (Operations & String Manipulation)

RS: Written Exam Questions (Operations & String Manipulation)

Q: Operations and String Manipulation GCSE

RZ: File Handling

3 Revisions Steps | 1 Quiz

RS: Gain the Knowledge (File Handling)

RS: Check your Understanding (File Handling)

RS: Written Exam Questions (File Handling)

Q: File Handling GCSE

RZ: Arrays

3 Revisions Steps | 1 Quiz

RS: Gain the Knowledge (Arrays)

RS: Check your Understanding (Arrays)

RS: Written Exam Questions (Arrays)

Q: Arrays GCSE

RZ: Procedures and Functions

3 Revisions Steps | 1 Quiz

RS: Gain the Knowledge (Procedures & Functions)

RS: Check your Understanding (Procedures & Functions)

RS: Written Exam Questions (Procedures & Functions)

Q: Procedures and Functions GCSE

Review Quizzes

Topic Quizzes

9 Quizzes

The CPU (Topic Quiz)

Memory/Storage (Topic Quiz)

Networks (Topic Quiz)

Software (Topic Quiz)

Issues/Law (Topic Quiz)

Problems/Algorithms (Topic Quiz)

Development (Topic Quiz)

Logic (Topic Quiz)

Data Representation (Topic Quiz)

3 Quizzes

Previous Revision Step

Next Revision Step

RS: Check your Understanding (Search Algorithms)

EdExcel GCSE 2020 (Premium) RZ: Search Algorithms RS: Check your Understanding (Search Algorithms)

Lost your password?

Previous Revision Step

Back to Revision Zone

Next Revision Step