Queen's Online School Logo
Pay Now & Enrol Tomorrow!

International GCSE in Computer Science

Pearson Edexcel – Qualification Code: 4CP0

Why Study This Course?

The Pearson Edexcel International GCSE in Computer Science equips students with the skills and knowledge required to understand and apply computational thinking, problem-solving, and programming. This course fosters logical reasoning, creativity, and practical programming skills, preparing students for further studies and careers in software development, cybersecurity, artificial intelligence, and technology innovation.

This course is ideal for students who:

  • Have an interest in coding, programming, and developing computational solutions.
  • Want to develop problem-solving and algorithmic thinking skills.
  • Are considering A-Level Computer Science, IT, or careers in software engineering, data science, and artificial intelligence.
  • Wish to gain a globally recognised qualification that enhances their future opportunities.

Who is This Course For?

This course is suitable for students who:

  • Enjoy solving problems through computational thinking.
  • Want to develop coding and programming skills using industry-relevant languages.
  • Are considering future studies in STEM fields, particularly in computing and software development.
  • Wish to improve logical reasoning, analytical skills, and digital literacy.

The course is structured around six core topics to provide students with a comprehensive understanding of computer science concepts.

1. Problem Solving

  • Understanding algorithms and their purpose.
  • Creating, modifying, and evaluating flowcharts and pseudocode.
  • Identifying and correcting errors in algorithms.
  • Applying decomposition and abstraction to complex problems.

2. Programming

  • Writing and debugging code using Python, Java, or C#.
  • Understanding programming constructs: loops, selection, and iteration.
  • Using variables, constants, functions, and procedures.
  • Working with data structures: arrays, lists, and records.
  • Handling user input, validation, and file storage.

3. Data Representation and Storage

  • Understanding binary and hexadecimal number systems.
  • Data representation of text, images, and sound.
  • Data compression techniques (lossy and lossless).
  • Encryption algorithms (Caesar cipher, Vigenère cipher, and AES encryption).

4. Computer Systems and Hardware

  • The components of a computer system (CPU, RAM, storage devices).
  • The fetch-execute cycle and how data is processed.
  • Understanding operating systems and software development.
  • Logic gates and Boolean algebra.

5. Communication and Networking

  • Types of networks (LAN, WAN, PAN, VPN) and their structures.
  • Network protocols (TCP/IP, HTTP, FTP, IMAP, SMTP, DNS).
  • Cybersecurity threats (phishing, malware, hacking, and firewalls).
  • The role of encryption in secure communication.

6. The Bigger Picture

  • Ethical, legal, and societal impacts of computing.
  • The role of artificial intelligence and machine learning.
  • Emerging trends in computing (cloud computing, IoT, quantum computing).
  • Environmental impacts of digital technology.

The course allows students to gain practical experience in at least one programming language from the following:

  • Python
  • Java
  • C#

Students will apply their coding skills to solve real-world computational problems and develop robust, efficient programs.

The course assesses students based on the following objectives:

Objective Description Weighting
AO1 Demonstrate knowledge and understanding of computer science principles 27.5%
AO2 Apply knowledge to problem-solving and programming tasks 42.5%
AO3 Analyse problems and develop computational solutions 30%

Strong Preparation for A-Level and Beyond

This course provides a solid foundation for A-Level Computer Science, preparing students for higher education in computing, software engineering, and cybersecurity.

Recognition by Top Universities

The Pearson Edexcel International GCSE in Computer Science is widely recognised by universities, employers, and academic institutions worldwide.

Development of Critical Thinking and Writing Skills

Students develop algorithmic and computational thinking skills, which are essential in STEM careers and technology-driven industries.

Hands-On Programming Experience

Students will gain real-world programming skills and work on practical coding projects, helping them to become proficient coders and software developers.

Course Structure

The qualification consists of two externally assessed written papers:

Paper 1: Principles of Computer Science (50%)

Exam Duration

2 hours

Assessment Format

External examination

Skills Assessed

  • Understanding the principles of computer science and how they are applied in real-world scenarios.
  • Interpreting, modifying, and creating algorithms.
  • Knowledge of data representation, storage, compression, and encryption.
  • Understanding of computer systems, networks, and cybersecurity.
  • Awareness of ethical, legal, and societal impacts of computing.

Paper 2: Application of Computational Thinking (50%)

Exam Duration

3 hours

Assessment Format

External examination (practical)

Skills Assessed

  • Developing and testing computer programs using a chosen programming language (Python, Java, or C#).
  • Applying computational thinking to solve problems.
  • Debugging and improving algorithms.
  • Understanding data handling and file operations.
  • Using pseudocode and flowchart representations.

Each paper contains a mix of multiple-choice, short-answer, structured, and extended-response questions.

Queens Online School — Chat
eyJhbGciOiJIUzI1NiJ9.eyJ1c2VyIjp7ImlkIjoxMTB9LCJleHBpcmVzIjoiMjAyNS0xMC0xNlQxNzoxMzoxNy4zNDJaIiwiaWF0IjoxNzYwNjMyOTk3LCJleHAiOjE3NjA3MTkzOTd9.1LMnX8ZuLvsAP9YC227FiZ7n5VDg_5ekknoWl0ldc2E