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Lealands High School

Lealands High School

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Computer Science

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 GCSE Computer Science 

Why choose this subject?

Studying Computer Science empowers you to solve complex, challenging problems, enabling you to make a positive difference in the world. Computing jobs often come with high salaries. Computing skills are essential in a wide range of professions, from astronomy to financial analysis – not just in IT related jobs.

Course Content

This course covers computer programming and how computers work at a technical level. 

Areas of theoretical study include:

J277/01: Computer systems This component will assess:

50% Written Exam 

J277/02: Computational thinking, algorithms and programming This component will assess:

50% Written Exam

• 1.1 Systems architecture 

• 1.2 Memory and storage 

• 1.3 Computer networks, connections and protocols

• 1.4 Network security 

• 1.5 Systems software

• 1.6 Ethical, legal, cultural and environmental impacts of digital technology

• 2.1 Algorithms 

• 2.2 Programming fundamentals 

• 2.3 Producing robust programs 

• 2.4 Boolean logic 

• 2.5 Programming languages and Integrated Development Environments


Students will also acquire practical skills with Python programming language.

Grading System

GCSE results are awarded on a 9-1 scale. 


It is recommended  students taking up this course should be  working towards getting grade 5 and above in Maths and English.

Possible careers

  • IT consultant, Cybersecurity consultant, Information systems manager, Database administrator, Multimedia programmer, Systems analyst, Games developer, Technical writer.

If you have any questions about Computer Science, please contact Miss Ahmed.