OCR A-Level Computer Science revision

Syllabus coverage

Topics aligned to OCR A-Level Computer Science. Choose a topic to see explanations, worked examples and exam-style questions.

• Fundamentals of Programming

  • Programming Concepts·
  • Data Types & Structures·
  • Algorithms·
  • Object-Oriented Programming

• Theory of Computation

  • Abstraction & Automation·
  • Finite State Machines·
  • Regular & Context-Free Languages·
  • Turing Machines & Halting Problem

• Data Representation

  • Number Systems & Binary Arithmetic·
  • Character Encoding·
  • Data Compression·
  • Floating Point Representation

• Computer Systems

  • Processor Architecture·
  • Memory & Storage·
  • Input/Output Devices·
  • Operating Systems

• Networks & Communication

  • Network Topologies & Protocols·
  • Internet & Web Technologies·
  • Client-Server & Peer-to-Peer·
  • Cyber Security

• Databases & SQL

  • Relational Databases·
  • SQL Queries·
  • Normalisation