36. Which of these operators can skip evaluating right hand operand?

1. 1. |

   
   
   

   2. &&

   
   
   

   3. &

   
   
   

   4. !

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   Operator short circuit and, &&, and short circuit or, ||, skip evaluating right hand operand when output can be determined by left operand alone.

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37. Which of the following operators can operate on a boolean variable?
    

    
       1. &&
       2. ==
       3. ?:
       4. +=
    

1. 1. 1 & 4

   
   
   

   2. 1, 2 & 3

   
   
   

   3. 1, 2 & 4

   
   
   

   4. 3 & 2

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   Operator Short circuit AND, &&, equal to, == , ternary if-then-else, ?:, are boolean logical operators. += is an arithmetic operator it can operate only on numeric values.

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38. Which of these is returned by “greater than”, “less than” and “equal to” operators?

1. 1. Boolean

   
   
   

   2. Floating – point numbers

   
   
   

   3. Integers

   
   
   

   4. None of these

   
   
   

   5. NA

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   All relational operators return a boolean value ie. true and false.

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39. What is the output of relational operators?

1. 1. Integer

   
   
   

   2. Double

   
   
   

   3. Characters

   
   
   

   4. Boolean

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   None

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