Computer Science · Theme B: Computational thinking and problem-solving

B2.1 — Programming fundamentals

Computer Science · SL / HL · syllabus-mapped notes

1. CS_B2.1.1

   Variables, data types and scope

   Constructing and tracing programs with global and local variables of the five data types.

2. CS_B2.1.2

   Extracting and manipulating substrings

   Identifying and extracting substrings, then altering, concatenating or replacing them.

3. CS_B2.1.3

   Exception handling techniques

   Points of failure and the try/catch, try/except and finally constructs.

4. CS_B2.1.4

   Common debugging techniques

   Trace tables, breakpoints, print statements and step-by-step execution.