Find specifically for Paper 1 (Theory) or Paper 2 (Computational Thinking).

(for 2026/2027 exams): This is the most current edition, authored by Ann Weidmann and Cynthia Selby, available for around $10.

: Designed to work seamlessly with the Pearson Revise Revision Workbook, where each page of the guide matches a practice page in the workbook. Recommended Versions

: Covers essential areas such as Algorithms (searches and sorts), Data (binary, hexadecimal, and compression), Computers (CPU architecture and operating systems), Networks , and The Bigger Picture (ethics and legal issues).

: An alternative that combines revision notes and practice papers in one volume for approximately $10. If you'd like, I can help you:

: Many versions include a free online edition with additional tools like an online flashcard creator, a revision planner, and progress trackers.

Breakdown a like binary conversion or trace tables. Compare this guide to other brands like CGP or ClearRevise.