Specification pathway · J277

OCR GCSE Computer Science

Topics are presented in specification order. Select an available resource to revise or practise. Where a dedicated guide has not yet been published, the topic remains visible in its correct position.

Independent learning resources. TutorSyntax is not affiliated with or endorsed by the examination board. Always consult the official specification for full assessment detail. Official specification ↗

← All resources · Interactive Learning Lab →

1.1

Systems architecture

CPU purpose, registers, fetch–decode–execute cycle and embedded systems.

Full topic guide in development

1.2

Memory and storage

RAM, ROM, secondary storage, units and calculations.

Study available resource →

1.3

Computer networks, connections and protocols

Networks, topologies, hardware, addressing and common protocols.

Study available resource →

1.4

Network security

Threats, vulnerabilities, prevention and protection.

Study available resource →

1.5

Systems software

Operating systems and utility software.

Full topic guide in development

1.6

Ethical, legal, cultural and environmental impacts

Computing impacts, privacy, legislation and sustainability.

Full topic guide in development

2.1

Algorithms

Computational thinking, searching, sorting, pseudocode and flowcharts.

Study available resource →

2.2

Programming fundamentals

Variables, constants, data types, selection, iteration, arrays and subprograms.

Study available resource →

2.3

Producing robust programs

Validation, defensive design, testing and maintainability.

Study available resource →

2.4

Boolean logic

AND, OR, NOT and truth tables.

Study available resource →

2.5

Programming languages and IDEs

Translators, language levels and IDE facilities.

Full topic guide in development

Python practice projects

Build your programming skills using our free starter files and reference solutions.

Explore Python resources →