3.2.10 Structured Programming and Subroutines (Procedures and Functions)

Write a pseudocode subroutine that takes an integer as a parameter, doubles it if it is even, and returns the result.

Describe the structured programming approach and its advantages.

Explain why it is considered good practice to use local variables in subroutines.

Describe how parameters are used to pass data to a subroutine with an example.

Discuss two advantages of using subroutines in programming.

Explain what is meant by a subroutine in the context of structured programming.