a) one
b) two
c) three
d) four
Answer: b
Explanation: 2 stacks are required for evaluation of prefix expression, one for integers and one for characters.
Related Posts
What is the result of the given postfix expression? abc*+ where a=1, b=2, c=3.
Which of the following statement is incorrect?
While evaluating a postfix expression, when an operator is encountered, what is the correct operation to be performed?
Which of the following is not an application of stack?
Which of these operators have the highest order of precedence?
In Postfix expressions, the operators come after the operands.
What is the time complexity of evaluation of postfix expression algorithm?
Join The Discussion