ISRO | ISRO CS 2018 | Question 79

Let P be a procedure that for some inputs calls itself (i.e. is recursive). If P is guaranteed to terminate, which of the following statement(s) must be true?

I.   P has a local variable
II.  P has an execution path where it does not call itself
III. P either refers to a global variable or has at least one parameter

(A)

I only

(B)

II only

(C)

III only

(D)

II and III only

Answer

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