Computer Science AQA GCSE — 8 lessons
Master algorithm representation using flowcharts and pseudo-code, compare algorithm efficiency, and learn searching (linear/binary) and sorting (bubble/merge) techniques.
Learn data types, programming concepts, operations, data structures, string handling, subroutines, and robust programming including validation, authentication and testing.
Convert between binary, decimal, and hexadecimal, understand character encoding (ASCII/Unicode), calculate image and sound file sizes, and compress data using Huffman coding and RLE.
Explore hardware and software, Boolean logic and circuits, programming languages and translators, CPU architecture, the fetch-execute cycle, memory types, and storage solutions.
Study network types (PAN/LAN/WAN), topologies, protocols (TCP/IP, HTTP, FTP, SMTP), the TCP/IP 4-layer model, and network security methods.
Identify cyber threats including social engineering, malware, weak passwords, and pharming, plus learn prevention methods like biometrics, encryption, firewalls, and penetration testing.
Understand relational database concepts including tables, records, fields, primary and foreign keys, and master SQL commands (SELECT, INSERT, UPDATE, DELETE).
Examine ethical, legal, and environmental impacts of digital technology including privacy issues, cyber security, mobile tech, cloud storage, and autonomous vehicles.
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