A1 Computer fundamentals
A2 Networks
A2.1 Network fundamentals
A2.2 Network architecture
A2.3 Data transmissions
A2.4 Network security
A3 Databases
A4 Machine learning
B1 Computational thinking
B2 Programming
B3 Object-oriented programming
B4 Abstract data types (HL only)
Browse syllabus-aligned notes for A2.3 Data Transmissions. Open each subtopic for focused explanations, examples, and summaries.
A2.3.1 Different Types of IP Addressing
8 minute read
A2.3.2 Compare Types of Media for Data Transmission
14 minute read
A2.3.3 How Packet Switching is Used to Send Data Across a Network
6 minute read
A2.3.4 How Static Routing and Dynamic Routing Move Data Across Local Area Networks (HL only)
12 minute read