Computer Science for IGCSE & O level - Algorithm Design And Problem Solving (Section 11 - No. 26)

In the `CASE OF` structure, how are the different code blocks selected for execution?

Based on the order they appear in the code.

Based on the boolean value of a condition.

Based on the value of an expression.

Based on the number of iterations.

Code blocks are selected according to the value of a variable or expression.