All blog posts

A clear guide to IB History assessment under the new course. Learn how Papers 1, 2, 3, and the IA work (FA 2028).

Learn the difference between interpreters, compilers, and JIT compilation for IB Computer Science HL, explained clearly.

Learn what an intrusion prevention system (IPS) is in IB Computer Science and how it stops cyberattacks.

Learn the key differences between TCP and UDP in IB Computer Science, with clear explanations and real examples.

Learn why backup strategies are safer than paying ransomware demands in IB Computer Science.

Learn how comparison works in IB History under the new course and how to use it to score higher (first assessment 2028).

Learn how to choose a strong IB History IA question under the new course. Avoid common mistakes (FA 2028).

Learn what database normalisation is in IB Computer Science and why it improves data accuracy and efficiency.

Learn what database transactions are in IB Computer Science and how ACID properties protect data reliability.

Learn the difference between flat files and databases in IB Computer Science, with clear comparisons and exam focus.

Learn the difference between data validation and verification in IB Computer Science, explained clearly with exam focus.

Learn how SQL SELECT queries work in IB Computer Science, explained step by step with exam focus.

Learn what a computer network is in IB Computer Science, including LAN, WAN, and PAN explained clearly.

Learn the difference between privacy and security in IB Computer Science data systems, with clear exam-focused explanations.

Learn the key ethical issues in data collection and Big Data for IB Computer Science, explained clearly.

Learn how population distribution varies by economic development in IB Geography, with clear explanations for LICs, MICs, and HICs.

Learn what the shared responsibility model is in cloud computing for IB Computer Science and why it matters.

Learn how firewalls work in IB Computer Science, including the difference between hardware and software firewalls.

Learn the difference between firewalls and intrusion detection systems in IB Computer Science, explained clearly.

Learn the difference between SaaS, PaaS, and IaaS in IB Computer Science, explained clearly with real examples.

Learn the difference between HAVING and WHERE in SQL for IB Computer Science, with clear explanations and exam focus.