(OCR) GCSE Computer Science

Welcome to the GCSE Computer Science study guide for the OCR exam board! This study guide is structured to cover all of the topics in the OCR specification, providing you with all of the essential information you need for your GCSE examinations.

Course Content

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GCSE Computer Science 2 Topics Sample Module

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Introduction to GCSE Computer Science

Assessment Structure

1 – Computer Systems

1.1 – Systems Architecture 3 Topics Sample Module

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1.1.1 Architecture of the CPU

1.1.2 CPU Performance

1.1.3 Embedded Systems

1.2 – Memory and Storage 5 Topics

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1.2.1 Primary Storage (Memory)

1.2.2 Secondary Storage

1.2.3 Units

1.2.4 Data Storage

1.2.5 Compression

1.3 – Computer Networks, Connections and Protocols 2 Topics

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1.3.1 Networks and Topologies

1.3.2 Wired and Wireless Networks, Protocols and Layers

1.4 – Network Security 2 Topics

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1.4.1 Threats To Computer Systems and Networks

1.4.2 Identifying and Preventing Vulnerabilities

1.5 – Systems Software 2 Topics

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1.5.1 Operating Systems

1.5.2 Utility Software

1.6 – Ethical, Legal, Cultural and Environmental Impacts of Digital Technology 1 Topic

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1.6.1 Ethical, Legal, Cultural and Environmental Impact

2 – Computational Thinking, Algorithms and Programming

2.1 – Algorithms 3 Topics

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2.1.1 Computational Thinking

2.1.2 Designing, Creating and Refining Algorithms

2.1.3 Searching and Sorting Algorithms

2.2 – Programming Fundamentals 3 Topics

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2.2.1 Programming Fundamentals

2.2.2 Data Types

2.2.3 Additional Programming Techniques

2.3 – Producing Robust Programs 2 Topics

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2.3.1 Defensive Design

2.3.2 Testing

2.4 – Boolean Logic 1 Topic

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2.4.1 Boolean Logic

2.5 – Programming Languages and Integrated Development Environments 2 Topics

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2.5.1 Languages

2.5.2 The Integrated Development Environment (IDE)

(OCR) GCSE Computer Science

Course Content

1 – Computer Systems

Course Includes