All blog posts

Learn how routers, switches, and modems work in IB Computer Science, explained clearly with exam focus.

IB History Paper 3 explained clearly for HL students. Learn what depth and evaluation mean under the new course (FA 2028).

Learn the difference between data warehouses and operational databases for IB Computer Science, explained clearly.

Digital Certificates and Public Key Infrastructure (PKI)

Learn the difference between single-core and multi-core processors for IB Computer Science, explained clearly with exam focus.

Learn what database indexes are in IB Computer Science and how they speed up searches efficiently.

A clear guide to IB History HL Regional Studies under the new course. Learn expectations for depth and evaluation (FA 2028).

Learn how computer networks are used in schools, banks, and cloud systems for IB Computer Science.

Learn what IB History Thematic Studies are and how they are assessed under the new course (first assessment 2028).

Learn how INSERT, UPDATE, and DELETE work in SQL for IB Computer Science, explained clearly with exam focus.

Learn how HTTPS works in IB Computer Science and how secure websites protect data using encryption.

Learn how database access control and permissions work in IB Computer Science, with clear exam-focused explanations.

Learn what network segmentation is in IB Computer Science and why it improves security, performance, and management.

Learn how the CPU works in IB Computer Science, including the ALU, control unit, and registers explained clearly.

Learn what a Network Interface Card (NIC) does in IB Computer Science and why it is essential for network communication.

A clear guide to IB History Focused Studies under the new course. Learn what they are and how students are assessed (FA 2028).

A clear guide to the new IB DP History curriculum structure. Learn how contexts, concepts, content, and skills work together (FA 2028).

Learn what authorisation and access levels mean in IB Computer Science and how systems control user permissions.

Learn how IB History Paper 1 works under the new course. A clear guide to source analysis (first assessment 2028).

Learn why good database design matters in IB Computer Science and how poor design causes errors and inefficiency.

Learn what DoS and DDoS attacks are in IB Computer Science and how they disrupt systems.