GCSE – Computer Science (9-1) OCR



The next cohort will begin in September 2024.

Applications are now open!


GCSE – Computer Science (9-1) OCR – J277

Computer systems

Introduces students to the central processing unit (CPU), computer memory and storage, data representation, wired and wireless networks, network topologies, system security and system software.

It also looks at ethical, legal, cultural and environmental concerns associated with computer science.

Computational thinking, algorithms and programming

Students apply knowledge and understanding gained in component 01.

They develop skills and understanding in computational thinking: algorithms, programming techniques, producing robust programs, computational logic and translators.

Practical programming

Students are to be allowed to undertake a programming task(s) during their course of study which allows them to develop their skills to design, write, test and refine programs using a high-level programming language.

Students will be assessed on these skills during the written examinations, in particular, component 02 (section B).


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