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Exam style questions by topic (OCR GCSE)

Computer systems
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Purpose and components of the CPU
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Von Nuemann architecture
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Fetch-Decode-Execute cycle
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CPU performance factors
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Memory types
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Secondary storage
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Types of networks
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Performance of networks
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Client server & peer-to-peer
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Network hardware
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DNS, IP, URL, ISP, web hosting, the cloud
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Virtual networks
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Network topologies
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Protocols
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Packet switching
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Network threats
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Malware
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Preventing vulnerabilities
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Operating systems
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Utility software
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Legislation
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Environment
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Privacy & technology
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Open source and closed source
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String manipulation
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Data types
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Sub procedures & functions
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Defensive design
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Testing
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Languages, translators, IDE
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Hexadecimal numbers
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Characters
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Images
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Sound
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Compression
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