(OCR) GCSE Computer Science – Knowness

This study guide follows the OCR GCSE Computer Science (J277) specification, ensuring full coverage of the exam board requirements. Reviewed and approved by subject experts, it provides comprehensive content that covers everything you need to know to ace your exams.

Course Content

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GCSE Computer Science 2 Topics FREE

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Introduction to GCSE Computer Science

Assessment Structure

1 – Computer Systems

1.1 – Systems Architecture 3 Topics FREE

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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

1.2.4 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

2.4 – 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)

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