php mcq questions with answers


                                

Which of the following is NOT an Assignment operator in C#.NET?

A.=
B./=
C.*=
D.+=
E.%=
                                

What will be the output of the C#.NET code snippet given below?

int i, j = 1, k;
for (i = 0; i < 5; i++)
{
    k = j++ + ++j;
    Console.Write(k + " ");
}

A.8 4 16 12 20
B.4 8 12 16 20
C.4 8 16 32 64
D.2 4 6 8 10
                                

What will be the output of the C#.NET code snippet given below?

int a = 10, b = 20, c = 30; 
int res = a < b ? a < c ? c : a : b; 
Console.WriteLine(res);

A.10
B.20
C.30
D.Compile Error / Syntax Error
                                

Which of the following statements are correct about the following code snippet?

int a = 10; 
int b = 20;
bool c;
c = !(a > b);
  1. There is no error in the code snippet.
  2. An error will be reported since ! can work only with an int.
  3. A value 1 will be assigned to c.
  4. A value True will be assigned to c.
  5. A value False will be assigned to c.

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

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

A.The ^ operator can be used to put ON a bit.
B.The ^ operator can be used to put OFF a bit.
C.The ^ operator can be used to Invert a bit.
D.The ^ operator can be used to check whether a bit is ON.
E.The ^ operator can be used to check whether a bit is OFF.