Resources / Theory Topics

Theory Topics

25 GCSE Computer Science theory topics organised by exam specification area. Clear explanations with visual examples.

🔒 Most of this library is for SmartBean students. Every lesson includes full access, open for two weeks after your last lesson. Items marked Free sample are open to everyone.

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Algorithms & Problem Solving

4 topics

Free sample

Computational Thinking

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Pseudocode & Flowcharts

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Programming Constructs

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Search & Sort Algorithms

Data Representation

9 topics

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Number Systems

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Binary Addition

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Hexadecimal

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Binary Shifts

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Two's Complement

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ASCII & Unicode

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Image Representation

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Sound Representation

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Compression

Computer Systems

2 topics

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Computer Systems

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Logic Gates

Networks

9 topics

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Types of Networks

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Client-Server vs P2P

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Network Topologies

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Network Protocols

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The TCP/IP Model

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Packet Switching

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IP Addressing & MAC

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Network Hardware

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Network Security

Issues & Impact

1 topic

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Issues & Impact