'C' is a

1. machine language
2. low level language
3. middle level language
4. high level language

What is the error in the program? 

    char count; 
    main() 
    { 
        int count = 70; 
        { 
            extern int count; 
            printf("\n %d ", count); 
        } 
    }

1. Error: Type mismatch in redeclaration of ' nn' 
2. Error: Multiple declaration for 'nn' 
3. Error: Storage class 'extern' is not allowed here 
4. Linker Error: Undefined symbol 'nn' 

What is the output of the program?

    void main()
    {
        int val = (5, val = 5)/++val;
        printf("\n %d ", val);
    }

1. 5
2. 1
3. 6
4. 0

Which of the following statements is used to return more than one value from a function?

1. return 1,2,3 ;
2. return (1,2,3) ;
3. return ((1), (2), (3)); 
4. None of the above

Which of the following is wrong with respect to structures? 

1. Having the same name for a structure and its variable 
2. It has functions as its data members 
3. It has a data member, which is of the same structure kind 
4. Both B and C

What is the error in the code shown below?

    union 
    { 
        int val1 : 5; 
        char val2; 
    };

1. Declaration of variables is not possible due to the absence of tag name 
2. Arrays of this union cannot be created 
3. Cannot be used in file handling 
4. All the three B, C and D

What is an '&' operator? 

1. logical 
2. unary 
3. bitwise 
4. ternary 

What is the difference between malloc and calloc? 

1. in allocation of memory 
2. in return types 
3. number of arguments 
4. None of the above

What is the default promotion for 'float' in va_arg? 

1. double 
2. int 
3. long int
4. char

What is the error in the program? 

    main() 
    { 
        int a = 12; 
        int *ptr = &a; 
        printf( " %d %d ", *ptr /*ptr, *ptr**ptr); 
    }

1. No error, output is 1 144

2. No error, output is 144 144

3. Unexpected end of file found

4. Error: illegal pointer operation

What is the significance of the function realloc()? 

1. realloc() adjusts the size of the allocated block to specified size 
2. realloc() allocates memory on far heap 
3. It is used to allocate more than 64k bytes 
4. realloc() allocates the specified number of bytes in registers

What is the error in the program?

    main() 
    { 
        typedef struct personal 
        {
             int name[25]:15; 
        } 
        personal; personal person; 
    }

1. Error: Bit fields must be signed or unsigned int 
2. Error: Multiple declaration for 'personal' 
3. Error: Undefined symbol 'personal' 
4. Error: Size of the type is unknown or zero

What is the return type of fflush()? 

1. void 
2. FILE* 
3. char* 
4. int 

What is the error in the program?

    void myprintf()
    {
        printf("\n %d ", printf("Genesis")); 
    }
    
    main() {
        printf("\n %d ", myprintf()); 
    }

1. Error: Type mismatch in 'printf'
2. The return type of a function must be an integer 
3. Error: printf cannot return anything 
4. Cannot convert from 'void' to '...'

What is the meaning of a static function?

1. It is local to a file in which it is declared 
2. It is local to main() 
3. The set of variables used in the function is 'static' 
4. All the linked files can access it

What is the output of the program?

    # include <stdio.h>

    void main()
    {
        int main = 90;
        top : printf("Label1");
        if(main)
            goto top;
    }

1. Infinite
2. Label1
3. No output
4. label top is invalid

How many times is the 'for' loop/statement is executed in the following code. 

    main() 
    { 
        unsigned char ch; 
        for(ch = 0; ch <= 255; ch++); 
    }

1. Infinite
2. 255
3. 256
4. 127

What is maximum number of 'case' values in a switch statement? 

1. 255 
2. 127 
3. No specific limit
4. 128 

What is the output of the program?

    void main()
    {
        int x = (90, x = 90)+++x;
        printf("\n %d ", x);
    }

1. 90
2. 1
3. 181
4. 91

Where do we use a 'continue' statement?

1. In 'if' statement
2. In 'switch' statement 
3. In 'goto' labels 
4. None of the above