The OCR GCSE Computing J275 which was first introduced in 2010 and the final time it was examined was in 2017. The course has been replace by OCR GCSE(9-1) Computer Science J276. The J275 course covered many aspects of computing, from hardware to software, networks to databases. To find an out more about the course see either the OCR information here, or the OCR and Cambrdge University Press free of charge online version of the course here.

The first part of the course, Fundamentals of computer systems, gives an overview of Computing and Computer Science at GCSE level in many respects appliciable all GCSE courses.