Question

Explain with a flowchart the following control structure:

Selection Logic

Answer 1

This logic employs a number of conditions and these conditions select the module among several alternative modules. These are the types of conditional structures:

1. Single Alternative: If condition holds true then Module A is executed, otherwise Module A is skipped and control transfers to the next step of algorithm.
   Form of the structure:
   If condition, then:
   [Module A]
   [End of IF Structure]
   
2. Double Alternative: This structure has following form
   IF condition, then:
         [Module A]
   Else:
         [Module B]
   [End of IF Structure]
   if condition is true Module A is executed and if condition is false  Module B is executed.