A Level Computer Science

AS theory — representation through databases and ethics.

• 01Information representation25 toolsNumber systems, text, images, sound, and compression.
• 02Communication0 toolsNetworks, protocols, and how data moves.
• 03Hardware0 toolsComponents and devices inside a computer system.
• 04Processor Fundamentals1 toolCPU architecture, registers, and the fetch-execute cycle.
• 05System Software0 toolsOperating systems and utility software.
• 06Security, privacy and data integrity0 toolsThreats, protection, and keeping data trustworthy.
• 07Ethics and Ownership0 toolsLegal, ethical, and ownership issues in computing.
• 08Databases0 toolsTables, keys, and querying data.

AS skills — algorithms, structures, programming, development.

• 09Algorithm Design and Problem-solving0 toolsDecomposition, flowcharts, and pseudocode.
• 10Data Types and Structures0 toolsTypes, arrays, and structured data.
• 11Programming0 toolsConstructs, modularity, and file handling.
• 12Software Development0 toolsLifecycle, testing, and documentation.