Question: 1) What is the result of evaluation of following postfix expression, A=4, B=6, C=2, D=12, E=3, F=2, G=-1 AB + C * DE +-

1) What is the result of evaluation of following postfix expression, A=4,

1) What is the result of evaluation of following postfix expression, A=4, B=6, C=2, D=12, E=3, F=2, G=-1 AB + C * DE +- FG + * stack-the empty stack While (not end of input){ symb = next input character If (symb is an operand) then Else { /* symb is an operator */ op2 = pop(stack) op1 = pop(stack) value = result of applying symb to opnd1 and opnd2 Push(stack, value) } }/* end while */ return (pop(stack) symb op2 Push(stack, symb) op1 value push pop top stack

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