Unit |
Hardware |
1 |
The CPU |
Function and characteristics of the CPU |
Input and output devices |
Memory |
Secondary storage |
Hardware components |
Embedded systems |
Logical operators |
Boolean logic |
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Communication |
2 |
The Internet |
Local Area Networks |
Network topologies |
Wireless networking |
Packet switching and routers |
Protocols and layers |
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Organisation and structure of data |
3 |
Units |
Numbers |
Characters |
Images |
Sound |
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Software |
4 |
Operating systems software |
Utility software |
Program construction and language |
Software tools |
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Security and data management |
5 |
Data security |
Encryption |
Compression |
Network security |
Cybersecurity |
System threats and vulnerabilities |
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Ethical, legal and environmental impacts |
6 |
Ethical impacts |
Computer system in the modern world |
Legislation |