This course has a list of all of the learning objectives for OCR A Level Computer Science and lets you rate your confidence in each one as you work through the course.
As you rate your confidence at each learning objective you instantly get a target based on your priority for revision.
Each learning objective links to the relevant Craig'n'Dave youtube tutorial to help you revise.
It's free to enrol - you just have to create an account (also free).
All the best!