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Computer Science 8525
9 sections available · 43 chapters available
Free Computer Science 8525 study notes for AQA GCSE students. Each chapter below covers a key topic with worked examples and practice prompts you can take into the thinka app.
3.1 Fundamentals of algorithms
Representing algorithms
Efficiency of algorithms
Searching algorithms
Sorting algorithms
AQA standard pseudo-code
3.2 Programming: data, operations and structures
Data types
Programming concepts
Arithmetic operations in a programming language
Relational operations in a programming language
Boolean operations in a programming language
Data structures
Input/output
3.2 Programming: strings, subroutines and robustness
String handling operations in a programming language
Random number generation in a programming language
Structured programming and subroutines (procedures and functions)
Robust and secure programming
3.3 Fundamentals of data representation
Number bases
Converting between number bases
Units of information
Binary arithmetic
Character encoding
Representing images
Representing sound
Data compression
3.4 Computer systems
Hardware and software
Boolean logic
Software classification
Classification of programming languages and translators
Systems architecture
3.5 Fundamentals of computer networks
Types of computer network (PAN, LAN, WAN)
Wired and wireless networks
Network protocols
Network security methods
The 4 layer TCP/IP model
3.6 Cyber security
Fundamentals of cyber security
Cyber security threats and penetration testing
Social engineering
Malicious code (malware)
Methods to detect and prevent cyber security threats
3.7 Relational databases and structured query language (SQL)
Relational databases
Structured query language (SQL)
3.8 Ethical, legal and environmental impacts of digital technology
Ethical, legal and environmental impacts of digital technology on wider society
Issues of privacy
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