C MCQ set number 00681

1. What is the output of this C code?

```
    #include <stdio.h>
```
```
    void main()
```
```
    {
```
```
        int i = 0;
```
```
        if (i == 0)
```
```
        {
```
```
            printf("Hello");
```
```
            continue;
```
```
        }
```
```
    }
```

a) Hello is printed infinite times
b) Hello
c) Varies
d) Compile time error

Answer

Answer: d [Reason:] None.

2. What is the output of this C code?

```
    #include <stdio.h>
```
```
    void main()
```
```
    {
```
```
        int i = 0;
```
```
        if (i == 0)
```
```
        {
```
```
            printf("Hello");
```
```
            break;
```
```
        }
```
```
    }
```

a) Hello is printed infinite times
b) Hello
c) Varies
d) Compile time error

Answer

Answer: d [Reason:] None.

3. What is the output of this C code?

```
    #include <stdio.h>
```
```
    int main()
```
```
    {
```
```
        int i = 0;
```
```
        do
```
```
        {
```
```
            i++;
```
```
            if (i == 2)
```
```
                continue;
```

                printf("In while loop ");

```
        } while (i < 2);
```
```
        printf("%dn", i);
```
```
    }
```

a) In while loop 2
b) In while loop in while loop 3
c) In while loop 3
d) Infinite loop

Answer

Answer: a [Reason:] None.

4. What is the output of this C code?

```
    #include <stdio.h>
```
```
    int main()
```
```
    {
```
```
        int i = 0, j = 0;
```
```
        for (i; i < 2; i++){
```
```
            for (j = 0; j < 3; j++){
```
```
                printf("1n");
```
```
                break;
```
```
            }
```
```
            printf("2n");
```
```
        }
```
```
        printf("after loopn");
```
```
    }
```

a) 1
    2
    after loop
b) 1
    after loop
c) 1
    2
    1
    2
    after loop
d) 1
    1
    2
    after loop

Answer

Answer: c [Reason:] None.

5. What is the output of this C code?

```
    #include <stdio.h>
```
```
    int main()
```
```
    {
```
```
        int i = 0;
```
```
        while (i < 2)
```
```
        {
```
```
            if (i == 1)
```
```
                break;
```
```
                i++;
```
```
                if (i == 1)
```
```
                    continue;
```

                    printf("In while loopn");

```
        }
```
```
        printf("After loopn");
```
```
    }
```

a) In while loop
    After loop
b) After loop
c) In while loop
    In while loop
    After loop
d) In while loop

Answer

Answer: b [Reason:] None.

6. What is the output of this C code?

```
    #include <stdio.h>
```
```
    int main()
```
```
    {
```
```
        int i = 0;
```
```
        char c = 'a';
```
```
        while (i < 2){
```
```
            i++;
```
```
            switch (c) {
```
```
            case 'a':
```
```
                printf("%c ", c);
```
```
                break;
```
```
                break;
```
```
            }
```
```
        }
```
```
        printf("after loopn");
```
```
    }
```

a) a after loop
b) a a after loop
c) after loop
d) None of the mentioned

Answer

Answer: b [Reason:] None.

7. What is the output of this C code?

```
    #include <stdio.h>
```
```
    int main()
```
```
    {
```
```
        printf("before continue ");
```
```
        continue;
```
```
        printf("after continuen");
```
```
    }
```

a) Before continue after continue
b) Before continue
c) After continue
d) Compile time error

Answer

Answer: d [Reason:] None.

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