Boolean logic, CPU architecture, data representation, networking, searching and sorting, file organisation, programming concepts, IDE tools, operating systems, and ethics — all ten Unit 1 topics in one gamified skill path. Earn XP, collect stars, and build your exam readiness topic by topic.
Work through each topic in order. Click any unlocked node to launch the quiz. Earn three stars to master a topic and unlock the next one.
Past paper mark scheme language, distilled into ten topic cards. Click Quick Quiz on any card to test yourself instantly.
The Unit 1 paper regularly tests truth tables, binary arithmetic, number conversions, and two’s complement. Use these tools to practise the calculations directly.
Enter any Boolean expression using AND, OR, NOT, XOR, NAND, NOR and uppercase variables (A, B, C, D). The table is generated automatically for all input combinations. Earn +5 XP per table.
Convert between denary, binary (8-bit), and hexadecimal. Enter a value in any field and convert all three formats at once.
Convert a denary value (positive or negative) to two’s complement binary. Shows every step: positive representation, invert, add 1.
Add two denary values using 8-bit binary. Shows full working including carry bits and overflow detection.
Key Unit 1 terms and definitions. Click the card to flip it, then mark whether you know it. Cards you mark as unknown cycle back around. Earn +5 XP for every card you know.
Trace through binary search, bubble sort, the login system algorithm, and the FDE cycle one step at a time. Earn 10 XP for completing each trace.
Earn XP by completing quizzes and using the interactive tools. Your score updates live as you work through the topics.