Q30,paper 2,j13.Consider the following statements for priority queue :

S1 : It is a data structure in which the intrinsic ordering of the elements does determine the result of its basic operations.

S2 : The elements of a priority queue may be complex structures that are ordered on one or several fields.

Which of the following is correct ?

(A) Both S1 and S2 are incorrect.

(B) S1 is correct and S2 is

incorrect.

(C) S1 is incorrect and S2 is

correct.

(D) Both S1 and S2 are correct.

Answer D.