//9618 (AS)

AS Level

The first half of A Level: deeper theory, procedural programming, databases and software development.

Paper 1 — Theory FundamentalsPaper 2 — Fundamental Problem-solving and Programming Skills

//Paper 1 — Theory Fundamentals

Information Representation

Number bases, negative numbers, characters, images and sound — the AS-level treatment.

Networks: their shapes, hardware, and how the internet is run.

Logic gates and circuits, main memory, and the devices attached to a computer.

Processor Fundamentals

Inside the CPU: registers, buses, the fetch-execute cycle written formally, and assembly language.

System Software

The operating system's jobs, utilities, and how programs get translated.

Security, Privacy and Data Integrity

Keeping data safe from people who should not see it, and from being corrupted.

Ethics and Ownership

The rules and responsibilities that come with writing software and handling other people's data.

Why a DBMS beats loose files, how to design tables properly, and SQL across several tables.

//Paper 2 — Problem-solving and Programming

Algorithm Design and Problem-solving

Turning a problem into a plan: decomposition, structure charts, pseudocode and testing.

Data Types and Structures

Choosing the right container: simple types, records, arrays and files.

Writing real, structured programs: procedures, functions, parameters and scope.

Software Development

How software is built in practice: life cycles, testing strategies and maintenance.

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AS Level — Cambridge