• Operators - General Questions
6. 

Which of the following statements is correct about the C#.NET code snippet given below?

int d; 
d = Convert.ToInt32( !(30 < 20) );

A. A value 0 will be assigned to d.
B. A value 1 will be assigned to d.
C. A value -1 will be assigned to d.
D. The code reports an error.
E. The code snippet will work correctly if ! is replaced by Not.

7. 

Which of the following is the correct output for the C#.NET code snippet given below?

Console.WriteLine(13 / 2 + " " + 13 % 2); 

A. 6.5 1
B. 6.5 0
C. 6 0
D. 6 1
E. 6.5 6.5

8. 

Which of the following statements are correct about the Bitwise & operator used in C#.NET?

  1. The & operator can be used to Invert a bit.
  2. The & operator can be used to put ON a bit.
  3. The & operator can be used to put OFF a bit.
  4. The & operator can be used to check whether a bit is ON.
  5. The & operator can be used to check whether a bit is OFF.

A. 1, 2, 4
B. 2, 3, 5
C. 3, 4
D. 3, 4, 5
E. None of these

9. 

Which of the following are Logical operators in C#.NET?

  1. &&
  2. ||
  3. !
  4. Xor
  5. %

A. 1, 2, 3
B. 1, 3, 4
C. 2, 4, 5
D. 3, 4, 5
E. None of these

10. 

Suppose n is a variable of the type Byte and we wish, to check whether its fourth bit (from right) is ON or OFF. Which of the following statements will do this correctly?

A.
if ((n&16) == 16)
Console.WriteLine("Fourth bit is ON");
B.
if ((n&8) == 8)
Console.WriteLine("Fourth bit is ON");
C.
if ((n ! 8) == 8)
Console.WriteLine("Fourth bit is ON");
D.
if ((n ^ 8) == 8)
Console.WriteLine("Fourth bit is ON");
E.
if ((n ~ 8) == 8)
Console. WriteLine("Fourth bit is ON");