Consider the following statement regarding programming language:

• (i) Function calling sequence and execution in any programming language is preorder traversal.
• (ii) Function calling sequence and execution in any programming language is postorder traversal.
• (iii) Function calling sequence in any programming language is preorder traversal and execution is postorder.
• (iv) Function calling sequence in any programming language is postorder traversal and execution is preorder.

Which of the following statement is correct?

(A) I and II
(B) III only
(C) IV only
(D) I only


Answer: (B)

Explanation: Function calling sequence in any programming language is preorder traversal and execution is postorder.

So, option (B) is correct.

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