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OCR GCSE Computer Science Complete Revision Notes 2025 Paper 1 – Algorithms, Programming, Networks & More
These revision notes cover OCR GCSE Computer Science Paper 1 (J277/01) – Computer Systems for the 2025 exams. All content is written in simple language to help GCSE students understand key theory topics clearly and revise efficiently. Topics included: System architecture (CPU, registers, fetch-execute cycle) Memory and storage (RAM, ROM, secondary storage, cloud storage) Data storage (binary, hexadecimal, images, sound, compression) Computer networks, topologies, and protocol...
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These revision notes cover OCR GCSE Computer Science Paper 1 (J277/01) – Computer Systems for the 2025 exams. All content is written in simple language to help GCSE students understand key theory topics clearly and revise efficiently. Topics included: System architecture (CPU, registers, fetch-execute cycle) Memory and storage (RAM, ROM, secondary storage, cloud storage) Data storage (binary, hexadecimal, images, sound, compression) Computer networks, topologies, and protocol...