Hardware components (CPU, memory, storage), software types (system vs. application), and data representation (binary, data compression).
A high-quality revision guide for this specification typically covers the following key areas: Edexcel international GCSE ICT. Revision guide
Fundamental concepts including algorithms, flowcharts, and pseudocode. Hardware components (CPU
Network topologies, protocols (TCP/IP), internet technologies, and cybersecurity. software types (system vs. application)