Topic+4+Computational+thinking

Officially from IBO, pseudocode and flowchart:
 * [[file:CS_ApprovedAnnotationForDevelopingPseudocode.pdf|Approved notation for developing pseudocode]] : pseudocode and flowchart, the offical notation, with correpondences
 * [[file:CS_Pseudocode in Examinations.PDF|Pseudocode in ExaminationsL: Standard Data Structures & Examples of Pseudocode]] : offical pseducode usage with data structure and typical examples.

OOP: object-oriented programming Open book references: Chapter 15 [] Chapter 16: []