General Questions

Question 11 :

Suppose n is a variable of the type Byte and we wish to put OFF its fourth bit (from right) without disturbing any other bits. Which of the following statements will do this correctly?


A). n = n && HF7
B). n = n & 16
C). n = n & 0xF7
D). n = n & HexF7
E). n = n & 8
Answer : Option C

Question 12 :

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

byte b1 = 0xAB;
byte b2 = 0x99;
byte temp;
temp = (byte)~b2;
Console.Write(temp + " ");
temp = (byte)(b1 << b2);
Console.Write (temp + " ");
temp = (byte) (b2 >> 2);
Console.WriteLine(temp);


A). 102 1 38
B). 108 0 32
C). 102 0 38
D). 1 0 1
Answer : Option C

Question 13 :

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


A). The | operator can be used to put OFF a bit.
B). The | operator can be used to Invert a bit.
C). The | operator can be used to check whether a bit is ON.
D). The | operator can be used to check whether a bit is OFF.
E). The | operator can be used to put ON a bit.
Answer : Option E

Question 14 :

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


A). \=
B). /=
C). *=
D). +=
E). %=
Answer : Option A

Question 15 :

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
Answer : Option B