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Which is the value of the postfix expression 2 9 3 4 8 + * - * (A) 26 (B) -25 (C) -23 (D) None of the above Which is right and please explain why

Which is the value of the postfix expression 2 9 3 4 8 + * - * (A) 26 (B) -25 (C) -23 (D) None of the above Which is right and please explain why

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Which is the value of the postfix expression 2 9 3 4 8 + * - * (A) 26 (B) -25 (C) -23 (D) None of the above Which is right and please explain why
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Introduction

In postfix expression, the expression is scanned from left to right and if we encounter an operand, we just push them to stack or if we encounter an operator, we perform operation on top two elements of stack and result is again pushed to stack

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