# C/C Sample Test,Sample questions

1.1,3

2.2,4

3.4,5

4.1,4

1.1,2,4

2.2,3,5

3.3,4,5

4.1,3,5

## Question: ``` 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?```

1.if ((n&16) == 16) Console.WriteLine("Fourth bit is ON");

2.if ((n&8) == 8) Console.WriteLine("Fourth bit is ON");

3.if ((n ! 8) == 8) Console.WriteLine("Fourth bit is ON");

4.if ((n ^ 8) == 8) Console.WriteLine("Fourth bit is ON");

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

1.The | operator can be used to put OFF a bit.

2.The | operator can be used to Invert a bit.

3.The | operator can be used to check whether a bit is ON.

4. The | operator can be used to put ON a bit.

1.n = n && HF7

2.n = n & 16

3.n = n & 0xF7

4. n = n & HexF7

1.102 1 38

2. 108 0 32

3.102 0 38

4.1 0 1

1.163 92

2.92 163

3.192 63

4.1

## Question: ```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);```

1.10

2.20

3.30

4.Compile Error / Syntax Error

1.8 4 16 12 20

2. 4 8 12 16 20

3.4 8 16 32 64

4.2 4 6 8 10

1.5 6

2.6 5

3.6 6

4.7 7

1.1,2,3

2.1,3,4

3.2,4,5

4.3,4,5

1.1,3

2.2,4

3.3,5

4.4,5

1. 1, 3

2.2,4

3.3,5

4.4,5

1.&

2.|

3.<<

4.^

1.=

2./=

3.*=

4.+=

1.6.5 1

2.6.5 0

3.6 0

4.6 1

1.1,2,4

2.2,3,5

3.3,4

4.3,4,5

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

1.The ^ operator can be used to put ON a bit

2.The ^ operator can be used to put OFF a bit.

3.The ^ operator can be used to Invert a bit.

4. The ^ operator can be used to check whether a bit is ON.

## Question: ```Which of the following statements is correct about the C#.NET code snippet given below? int d; d = Convert.ToInt32( !(30 < 20) );```

1. A value 0 will be assigned to d.

2.A value 1 will be assigned to d.

3.A value -1 will be assigned to d.

4. The code reports an error.

## More MCQS

##### R4R Team
R4Rin Top Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on R4R.in website is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!