Cover
Book title
Copyright
Contents
How to use this book
SECTION 1 COMPUTER SYSTEMS
1.1 System architecture
1.1.1 Architecture of the CPU
1.1.2 CPU performance
1.1.3 Embedded systems
1.2 Memory and storage
1.2.1 Primary storage β memory
1.2.2 Secondary storage
1.2.3 Units
1.2.4 Data storage
1.2.5 Compression
1.3 Computer networks, connections and protocols
1.3.1 Networks and topologies
1.3.2 Wired and wireless networks, protocols and layers
1.4 Network security
1.4.1 Threats to computer systems and networks
1.4.2 Identifying and preventing vulnerabilities
1.5 Systems software
1.5.1 Operating systems
1.5.2 Utility software
1.6 Ethical, legal, cultural and environmental impacts of digital technology
1.6.1 Ethical, legal, cultural and environmental impact
SECTION 2 COMPUTATIONAL THINKING, ALGORITHMS AND PROGRAMMING
2.1 Algorithms
2.1.1 Computational thinking
2.1.2 Designing, creating and ren fi ing algorithms
2.1.3 Sorting and searching algorithms
2.2 Programming fundamentals
2.2.1 Programming fundamentals
2.2.2 Data types
2.2.3 Additional programming techniques
2.3 Producing robust programs
2.3.1 Defensive design
2.3.2 Testing
2.4 Boolean logic
2.4.1 Boolean logic
2.5 Programming languages and integrated development environments
2.5.1 Languages
2.5.2 The integrated development environment (IDE)
Appendix
Glossary
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Knowledge check answers
Index
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Acknowledgements
