Joshua Cussen
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Exam specifications
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OCR GCSE Computer Science (J277)
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J277 01 Computer systems
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1.3 Computer networks, connections, and protocols
1.3 Computer networks, connections, and protocols
Dec 21, 2025
1 min read
Topics
1.3.1 Networks and topologies
1.3.2 Wired and wireless networks, protocols, and layers
2 items under this folder.
Dec 21, 2025
1.3.1 Networks and topologies
Dec 21, 2025
1.3.2 Wired and wireless networks, protocols, and layers
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J277-01 Computer systems
OCR GCSE Computer Science (J277)