Topic 1.1
Systems Architecture
CPU architecture, performance, embedded systems, and core hardware concepts.
OCR J277 component
Computer systems
Systems architecture, memory and storage, networks, security, systems software, and wider impacts.
Exam-board information
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Topic 1.2
Memory and storage
Primary storage, secondary storage, units, compression, and data representation.
Topic 1.3
Computer networks, connections and protocols
Network types, topologies, protocols, layers, and network hardware.
Topic 1.4
Network security
Threats, prevention, authentication, malware, and security practice.
Topic 1.5
Systems software
Operating systems, utility software, and system management.
Topic 1.6
Ethical, legal, cultural and environmental impacts
The wider impacts of digital technology and legislation.