Review/revision
A3: Databases - Exam Lab
This exam practice page is designed for the A3: Databases unit of the new IB Computer Science syllabus (first assessment 2027). A3.1 Database fundamentals A3.2 Database design A3.3 Database programming ...
Review/revision
A2: Networks - Exam Lab
This exam practice page is designed for the A2: Networks unit of the new IB Computer Science syllabus (first assessment 2027). A 2.1 Network fundamentals A 2.2 Network architecture A 2.3 Data Transmissions ...
Review/revision
A1: Computer Fundamentals - Exam Lab
This exam practice page is designed for the A1: Computer Fundamentals unit of the new IB Computer Science syllabus (first assessment 2027). A 1.1 Computer Hardware and Operation A 1.2 Data representation...
eBook
B 4.1.2 Evaluate linked lists (HL Only)
Explore linked lists (singly, doubly, circular), their diagrammatic representation, and core operations: insertion, deletion, traversal, and search. We'll also evaluate their advantages and disadvantages,...
eBook
A 2.4.4 Encryption and digital certificates.
Encryption and digital certificates are essential for online security, ensuring data confidentiality, integrity, and authenticity. Learn about symmetric and asymmetric cryptography, digital certificates,...
eBook
A 2.4.3 Network countermeasures. (HL only)
Explore network countermeasures: from firewalls and encryption to secure protocols and user training. Safeguard your networks against evolving cyber threats. In today's interconnected world, network...
eBook
A 2.4.2 Network Vulnerabilities (HL Only)
This section details network vulnerabilities for IB Computer Science HL students. It covers DDoS, insecure protocols, malware, MitM, phishing, SQL injection, XSS, unpatched software, weak authentication...
eBook
A 2.4.1 Firewalls
Firewalls protect networks by inspecting traffic using whitelists, blacklists, and rules. They offer centralised security and traffic control but have limitations against internal threats and complex...
Assessment
Teacher-Only Guide: Managing the IA
This teacher-facing guide is your essential resource for managing the IB Computer Science IA. It synthesises the official Teacher Support Material and Guide to provide actionable advice on scheduling,...
Assessment
Criterion A: Examples
Criterion A is the foundational stage of the Internal Assessment (IA) and corresponds to the Problem Specification component of the Computational Thinking Process. This section establishes the overall...