Tuesday, 31 October 2017

Net 41

CBSE NET JUNE 2012 PAPER II

Q. The postfix expression AB + CD - * can be evaluated using a
(A) Stack
(B) Tree
(C) Queue
(D) Linked list

Ans: (A)

Explanation: Stack method is used to convert infix to postfix and postfix to infix. For example, see image, to learn how to convert infix to postfix using stack..

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