Cambridge International AS Level Computer Science 9618

Syllabus overview

Core areas include data representation, computer systems, networks and internet technologies, cybersecurity, algorithms and programming, and databases.

Official syllabus reference

Notes by topic

• 9618 AS Level notes index - by section
• Computer architecture
• The Internet and the World Wide Web
• Cyber security

Past papers and mark schemes

• Past papers index
• 2024 series
• 2023 series

Study guidance

• Use topic notes first, then attempt past-paper questions under timed conditions.
• Focus on command words such as define, describe, explain, evaluate.
• Track weak areas and revisit the corresponding notes and worked examples.

Frequently asked questions