Textbook in PDF format

Written by leading Computer Science teachers, this textbook will guide students through the updated AQA GCSE Computer Science specification topic by topic, and provide them with standalone recap and review sections, practice questions, worked examples and clear explanations of complex topics.
This textbook:
Prepares students for assessment with numerous practice questions for all topics
Develops computational thinking skills
Provides differentiated material with the ”beyond the spec” feature
Includes standalone recap and review sections at the end of each chapter
Provides definitions of technical terms, along with a glossary of words to ensure students feel confident with the assessment.
Authors
George Rouse, Lorne Pearcey and Gavin Craddock are highly respected and widely published authors of resources.
How to use this book
Fundamentals of algorithms
Representing algorithms
Efficiency of simple algorithms
Sorting and searching algorithms
Programming
Data types
Programming concepts
Arithmetic operations
Relational operations
Boolean operations
Data structures
Input and output
String-handling operations
Random number generation
Structured programming and subroutines
Robust and secure programming
Fundamentals of data representation
Number bases
Converting between number bases
Units of information
Binary arithmetic
Character encoding
Representing images
Representing sound
Data compression
Computer systems
Hardware and software
Boolean logic
Software classification
Classification of programming languages and translators
Systems architecture
Fundamentals of computer networks
Computer networks
Cyber securyty
Fundamentals of cyber security
Cyber security threats
Methods to detect and prevent cyber security threats
Relational databases and structured query language (SQL)
Relational databases
Structured Query Language (SQL)
Ethical, legal and environmental impacts of digital technology on wider society
Ethical, legal and environmental impacts and risks of digital technology
Glossary
Knowledge check answers
Question practice answers
Acknowledgements