1. Select the output for following set of code :
1. static void Main(string[] args)
2. {
3. int i = 30;
4. int j = 25 % 25;
5. if (Convert.ToBoolean(Convert.ToInt32(i = j)))
6. {
7. Console.WriteLine(“In if”);
8. }
9. else
10. {
11. Console.WriteLine(“In else”);
12. }
13. Console.WriteLine(“In main”);
14. Console.ReadLine();
15. }
a) In if
b) In else
c) In if
In main
d) In else
In main
2. Select output for following set of Code:
1. static void Main(string[] args)
2. {
3. int i;
4. int b = 8, a = 32;
5. for (i = 0; i <= 10; i++)
6. {
7. if ((a / b * 2)== 2)
8. {
9. Console.WriteLine( i + ” “);
10. continue;
11. }
12. else if (i != 4)
13. Console.Write(i + ” “);
14. else
15. break;
16. }
17. Console.ReadLine();
18. }
a) 1 2 3 4 5 6 7 8 9
b) 0 1 2 3 4 5 6 7 8
c) 0 1 2 3
d) 0 1 2 3 4
3. Select the output for following set of Code:
1. static void Main(string[] args)
2. {
3. Console.WriteLine(“Enter a letter:”);
4. char c = (char)Console.Read();
5. if (Char.IsDigit(c) == true)
6. Console.WriteLine(“A number”);
7. else if (char.IsLower(c) == true)
8. Console.WriteLine(“A lower case letter”);
9. else if (char.IsUpper(c) == true)
10. Console.WriteLine(“An upper case letter”);
11. Console.ReadLine();
12. }
13. 1. Enter a letter :
14. a
15. An upper case letter
16. 2. Enter a letter :
17. A
18. An upper case letter
19. 3. Enter a letter :
20. 2
21. A number
22. 4. Enter a letter :
23. 2
24. A lower case letter.
Which of following conditions are true ?
a) a ,b ,c
b) b ,c ,d
c) a ,d ,b
d) b ,c
4. Select the output for following set of code :
1. static void Main(string[] args)
2. {
3. int i, j;
4. for (i = 2; i >= 0; i–)
5. {
6. for (j = 0; j <= 2; j++)
7. {
8. if (i == j)
9. {
10. Console.WriteLine(“1”);
11. }
12. else
13. {
14. Console.WriteLine(“0”);
15. }
16. }
17. Console.WriteLine(“\n”);
18. Console.ReadLine();
19. }
20. }
a) 1 0 0
0 1 0
0 0 1
b) 0 1 0
1 0 0
0 0 1
c) 0 0 1
0 1 0
1 0 0
d) 1 0 0
0 0 1
0 1 0
5. Select the relevant ‘if statement’ to be placed in following set of code :
1. static void Main(string[] args)
2. {
3. int []num = {50, 65, 56, 88, 43, 52};
4. int even = 0, odd = 0;
5. for (int i = 0 ;i < num.Length ;i++)
6. {
7. /*___________________________*/
8. }
9. Console.WriteLine(“Even Numbers:” +even);
10. Console.WriteLine(“Odd Numbers:” +odd);
11. Console.ReadLine();
12. }
a) if ((num % 2) == 0)
{
even += 1;
}
else
{
odd += 1;
}
b) if((num * i) == 0)
{
even += 1;
}
else
{
odd += 1;
}
c) if(num[i] % 2 == 0)
{
even += 1;
}
else
{
odd += 1;
}
d) if(num[i] % 2 = 0)
{
even += 1;
}
else
{
odd += 1;
}
6. What is the output for the following code ?
1. static void Main(string[] args)
2. {
3. int a = 15, b = 10, c = 1;
4. if (Convert.ToBoolean(a) && (b > c))
5. {
6. Console.WriteLine(“cquestionbank”);
7. }
8. else
9. {
10. break;
11. }
12. }
a) cquestionbank
b) It will print nothing
c) Compile time error
d) Run time error
7. What is the output for the following code ?
1. static void Main(string[] args)
2. {
3. int a = 5;
4. if (Convert.ToBoolean((.002f) -(0.1f)))
5. Console.WriteLine(“Sachin Tendulkar”);
6. else if (a == 5)
7. Console.WriteLine(“Rahul Dravid”);
8. else
9. Console.WriteLine(“Ms Dhoni”);
10. Console.ReadLine();
11. }
a) Rahul Dravid
b) Sachin Tendulkar
c) Ms Dhoni
d) Warning : Unreachable Code
8. Select the output for following set of Code :
1. static void Main(string[] args)
2. {
3. int a = -1;
4. int b = -1;
5. if (Convert.ToBoolean (++a = ++b))
6. Console.WriteLine(“a”);
7. else
8. Console.WriteLine(“b”);
9. Console.ReadLine();
10. }
a) a
b) b
c) Compile time error
d) Code execute successfully with no output
9. Select the output for following set of Code :
1. static void Main(string[] args)
2. {
3. int a = 5, b = 10;
4. if (Convert.ToBoolean(Convert.ToInt32(0xB)))
5. if (Convert.ToBoolean(Convert.ToInt32(022)))
6. if (Convert.ToBoolean(Convert.ToInt32(‘\xeb’)))
7. Console.WriteLine(“java”);
8. else ;
9. else ;
10. else ;
11. }
a) Compile time error: Misplaced else
b) Compile time error: Undefined symbol
c) java
d) Warning: Condition is always true
10. Select the output for following set of Code :
1. static void Main(string[] args)
2. {
3. int a = 5, b = 10;
4. if (Convert.ToBoolean(Convert.ToInt32(++a)) || Convert.ToBoolean(Convert.ToInt32(++b)))
5. {
6. Console.WriteLine(a + “\n” + b);
7. }
8. else
9. Console.WriteLine(” C# “);
10. }
a) 6 11
b) 6 16
c) 6 12
d) 6 10
11. Select output for following set of code :
1. static void Main(string[] args)
2. {
3. int i = 1, j = 2, k = 3;
4. do
5. {
6. Console.WriteLine((Convert.ToBoolean(Convert.ToInt32(i++))) && (Convert.ToBoolean(Convert.ToInt32(++j))));
7. }while (i <= 3);
8. Console.ReadLine();
9. }
a) 0 0 0
b) True True True
c) 1 1 1
d) False False False
12. Select output for following set of code :
1.static void Main(string[] args)
2.{
3. float i = 1.0f, j = 0.05f;
4. do
5. {
6. Console.WriteLine(i++ – ++j);
7. }while (i < 2.0f && j <= 2.0f);
8. Console.ReadLine();
9.}
a) 0.05
b) -0.05
c) 0.95
d) -0.04999995
13. Select the output for following code :
1.static void Main(string[] args)
2.{
3. int i = 1, j = 5;
4. do
5. {
6. Console.WriteLine(i = i++ * j);
7. }while (i <= 10);
8. Console.ReadLine();
9.}
a) 5 10 15 20 25 30 35 40 45 50
b) 5 25
c) 5 11 16 21 26 31 36 41 46 51
d) 5 30
14. Select the set of Code for following :
1. static void Main(string[] args)
2. {
3. int i = 1234 ,j = 0;
4. /*ADD CODE HERE */
5. Console.WriteLine(j);
6. }
a) do
{
j = j + (i % 10);
}while ((i = i / 10)!= 0);
b) do
{
j = j + (i % 10);
}while ((i / 10)!= 0);
c) do
{
j = j + (i % 10);
}while ((i % 10)!= 0);
d) do
{
j = j + (i % 10);
}while ((i/10 == 0)!= 0);
15 Select the output for following set of code :
1. static void Main(string[] args)
2. {
3. long x;
4. x = Convert.ToInt32(Console.ReadLine());
5. do
6. {
7. Console.WriteLine(x % 10);
8. }while ((x = x / 10) != 0);
9. Console.ReadLine();
10. }
11. enter x = 1234.
a) number of digits present in x
b) prints ’1′
c) prints reverse of x
d) prints sum of digits of ‘x’
16. Select output for following set of code :
1. static void Main(string[] args)
2. {
3. int i, s = 0, a = 1, d;
4. i = Convert.ToInt32(Console.ReadLine());
5. do
6. {
7. d = i % (2 * 4);
8. s = s + d * a;
9. }while ((Convert.ToInt32(i = i / (2 * 4))) != 0 && (Convert.ToBoolean(Convert.ToInt32((a) = (a * 10)))));
10. Console.WriteLine(s);
11. Console.ReadLine();
12. }
13.enter i = 342.
a) It finds binary equivalent of i
b) It finds octal equivalent of i
c) It finds sum of digits of i
d) It finds reverse of i
17. Correct syntax for do while loop is :
a) do;
{
statement;
}while (condition);
b) do(condition)
{
statement;
}while;
c) do
{
statement;
}while (condition)
d) do
{
statement;
}while (condition);
18. Select the output for following set of code :
1.static void Main(string[] args)
2.{
3. int x = 10;
4. do
5. {
6. Console.WriteLine( x++);
7. }
8. while(Convert.ToBoolean(5) && Convert.ToBoolean(4) && Convert.ToBoolean(3) && Convert.ToBoolean(2) && Convert.ToBoolean(1) && Convert.ToBoolean(0));
9. Console.ReadLine();
10.}
a) 13
b) 15
c) 11
d) 10
19. Select output for following set of code :
1.static void Main(string[] args)
2.{
3. int x;
4. for (x = 10; x <= 15; x++)
5. while (Convert.ToBoolean(Convert.ToInt32(x)))
6. {
7. do
8. {
9. Console.WriteLine(1);
10. if (Convert.ToBoolean(x >> 1))
11. continue;
12. }while (Convert.ToBoolean(0));
13. break;
14. }
15. Console.ReadLine();
16.}
a) 0 0 0….infinite times
b) 1 1 1….infinite times
c) 1 1 1 1 1 1
d) System outofflow exception error.
20. Select the output for following set of code :
1.static void Main(string[] args)
2.{
3. int x = 0;
4. do
5. {
6. x++;
7. if (x == 5)
8. {
9. x++;
10. continue;
11. break;
12. }
13. Console.WriteLine(x + ” “);
14. }
15.}while (x < 10);
a) 1 2 3 4 5
b) 10
c) 5 6 7 8 9 10
d) 1 2 3 4 5 6 7 8 9 10
Answers
| 1-d | 2-c | 3-d | 4-c | 5-c |
| 6-c | 7-b | 8-c | 9-c | 10-d |
| 11-b | 12-d | 13-b | 14-a | 15-c |
| 16-b | 17-d | 18-d | 19-c | 20-d |