Web-Technologies
October 10, 2023
Data-Structures
October 10, 2023
Web-Technologies
October 10, 2023
Data-Structures
October 10, 2023

Data-Structures

Question 18

Which of the following is essential for converting an infix expression to the postfix from efficiently?

A
An operator stack
B
An operand stack
C
An operand stack and an operator stack
D
A parse tree
Question 18 Explanation: 
An operator stack ⇒ Infix to (Postfix or Prefix)
An operand stack ⇒ Postfix to Prefix
Operator & operand stack ⇒ We don’t use two stacks
Parse tree ⇒ No use
Correct Answer: A
Question 18 Explanation: 
An operator stack ⇒ Infix to (Postfix or Prefix)
An operand stack ⇒ Postfix to Prefix
Operator & operand stack ⇒ We don’t use two stacks
Parse tree ⇒ No use
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