Question 61 : Evaluate the postfix expression ab + cd/- where a=5, b=4, c=9, d=3.
1. 23
2. 15
3. 6
4. 10
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Question 62 : How many stacks are required for applying evaluation of infix expression algorithm?
1. one
2. two
3. three
4. four
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Question 63 : The associativity of an exponentiation operator ^ is right side.
1. True
2. False
3.
4.
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Question 64 : In balancing parentheses algorithm, the string is read from?
1. right to left
2. left to right
3. center to right
4. center to left
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Question 65 : Which among the following is not a palindrome?
1. Madam
2. Dad
3. Malayalam
4. Maadam
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Question 66 : It is easier for a computer to process a postfix expression than an infix expression.
1. True
2. False
3.
4.
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Question 67 : Which of the following statement is invalid with respect to balancing symbols?
1. [(A+B) + (C-D)]
2. [{A+B}-{C-[D+E]}]
3. ((A+B) + (C+D)
4. {(A+B) + [C+D]}
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Question 68 : In infix to postfix conversion algorithm, the operators are associated from?
1. right to left
2. left to right
3. centre to left
4. centre to right
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Question 69 : Which of the following statement is incorrect?
1. Postfix operators use value to their right
2. Postfix operators use value to their left
3. Prefix operators use value to their right
4. In postfix expression, operands are followed by operators
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Question 70 : Which of the following does the balancing symbols algorithm include?
1. balancing double quotes
2. balancing single quotes
3. balancing operators and brackets
4. balancing parentheses, brackets and braces
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