Past Papers
You can find all OCR Computer Science GCSE (J277) past papers and mark schemes below:
https://www.ocr.org.uk/Images/552500-computer-systems-.pdf
https://www.ocr.org.uk/Images/552502-computational-thinking-algorithms-and-programming.pdf
June 2022
https://www.ocr.org.uk/Images/677830-question-paper-computer-systems.pdf
2021
Useful links