Computer Science study guides

A deep-dive guide to algorithms and computational thinking in Eduqas GCSE Computer Science: abstraction and decomposition, designing and tracing algorithms with pseudocode and flowcharts, linear and binary search, bubble and merge sort, logic gates and Boolean expressions, and the software development life cycle.

A deep-dive guide to data representation and storage in Eduqas GCSE Computer Science: binary, denary and hexadecimal conversion, binary addition and shifts, two's complement, ASCII and Unicode, the units of data, image and sound file-size calculations, and compression.

A deep-dive guide to the hardware and architecture topic of Eduqas GCSE Computer Science: the CPU and the fetch-decode-execute cycle, von Neumann architecture and registers, the factors affecting CPU performance, primary and secondary storage, cloud storage, embedded systems, and input and output devices.

A deep-dive guide to the impacts and legislation topic of Eduqas GCSE Computer Science: the ethical, cultural and social impacts of digital technology, the main computing laws, privacy and data collection, and the environmental impact including e-waste.

A deep-dive guide to networks and security in Eduqas GCSE Computer Science: LANs, WANs and topologies, wired versus wireless and network hardware, the internet, the web, DNS and the common protocols, the layered model, the cybersecurity threats, and the methods used to protect a system and its data.

A deep-dive guide to programming in Eduqas GCSE Computer Science: operating systems and utility software, languages and translators and the IDE, variables, data types and operators, the three constructs, arrays, subprograms, string handling, validation, and how the Component 2 on-screen exam works.