Learn how computers really work.

A visual-first course: every idea opens with a picture you can poke, then earns the formal detail, then goes to work on exam problems.

• 35 35 interactive lessons with 81 hands-on visualizations across the whole 0478 syllabus.
• ✓ Quizzes, unit exams and mock papers — every answer explained, never marked without a reason.
• 🔁 Revision hub — flashcards, timed drills and self-checks built for exam season.

Lessons 1–3 are free with any account · Enrolled students unlock everything released.