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Computer Science O Level

O-Level (Forms 1–4)

Browse all 10 syllabus topics, key exam takeaways, and practice quiz banks

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Syllabus Topics (10)

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Topic 1 Open Guide →

Algorithms and Flowcharts

Introduction to algorithms, flowcharts and pseudocode to represent logical sequences.

Topic 2 Open Guide →

Communication and Networks

Basic networking concepts including types of networks, data transmission, and network topologies.

Topic 3 Open Guide →

Computer Systems

Explores hardware and software components, input/output/storage devices, and the role of operating systems.

Topic 4 Open Guide →

Data Representation

Covers binary, hexadecimal, ASCII, and how data and images are represented digitally.

Topic 5 Open Guide →

Databases

Understanding relational databases, tables, queries, primary keys and database management systems.

Topic 6 Open Guide →

ICT Applications

Practical use of office tools such as word processors, spreadsheets, databases, and presentations.

Topic 7 Open Guide →

ICT in Society

Examines how computing affects individuals, businesses and society.

Topic 8 Open Guide →

Problem Solving

Understanding and applying computational thinking to solve real-world problems using structured approaches.

Topic 9 Open Guide →

Programming Basics

Introduces structured programming using a high-level language like Python or Visual Basic.

Topic 10 Open Guide →

Web Development

Covers basics of HTML, CSS, web structure and simple web applications.