Reusability of code in C is supported by

1. Functions
2. Macros
3. Pointers
4. Files

The entry point of the 'C' program is with

1. #include
2. main(int argc, char * argv)
3. c_main
4. MAIN()

When a const variable is declared, it is stored

1. in RAM
2. in ROM
3. on heap
4. in CPU registers

What is the output of the program?

    #include <stdio.h>

    int main(int argc, char *argv[])
    {
        printf(" %d", printf("Hello Genesis"));
        return 0;
    }

1. Hello Genesis
2. 13 Hello Genesis
3. Hello Genesis 13
4. None of the above

What is the output of the program?

    #include <stdio.h>

    void main()    
    {
        printf("\n Hi" " %s ", "Genesis"" InSoft");
    }

1. Hi %s Genesis InSoft
2. Hi Genesis
3. Hi Genesis InSoft
4. Hi %s Genesis InSoft

What is the output of the program?

    #include <stdio.h>
   
    main()
    {
        switch (5)
        {
            case 5: printf(" 5 ");
            default: printf(" 10 ");
            case 6: printf(" 6 ");
        }
    }

1. 5
2. 5 10
3. 5 10 6
4. 5 6

What is the output of the program?

    #include <stdio.h>

    void main()
    {
        int x = 9;
        Continue: printf("\n Continue ");
        if(!x)
            goto gen;
        gen: printf(" Genesis ");
    }

1. Genesis
2. Continue Genesis
3. Continue
4. None of the above

Which argument of function 'strncmp()' specifies number of characters to be compared?

1. first
2. second
3. third
4. fourth

Which of the following is not a storage class in C?

1. Static
2. Register
3. Extern
4. Stack

Which of the following 'return' statement is correct?

1. return, return;
2. return(1, 2, 3);
3. return(return 4);
4. (return 5, return 6);

The second argument to fopen() function is?

1. char
2. const char *
3. int *
4. FILE *

What is the data type of FILE?

1. integer
2. union
3. pointer
4. structure

The first argument of fwrite function is typecast to

1. char *
2. FILE *
3. int *
4. void *

Which of the following storage class variables cannot be used with pointers?

1. extern
2. static
3. register
4. Both A and C

What is the output of the program?

    #include <stdio.h>

    void main()
    {
        int (*myprintf)(const char*, ...) = printf;
        myprintf("Genesis InSoft Limited");
    }

1. Genesis InSoft Limited
2. No output
3. Undefined symbol myprintf
4. Prototype mismatch

What is the output of the program?

    #include <stdio.h>

    void main()
    {
        char buffer[10] = {"Genesis"};
        printf(" %d ", &buffer[4]- (buffer));
    }

1. 3
2. 4
3. 0
4. Illegal pointer subtraction

If "arr" is an array of 5 x 5 dimension, arr[2][4] is same as

1. **(a+3+4) 
2. *(a+3)+*(a+4)
3. **(a+3)+4
4. *(*(a+2)+4)

What is the significance of the free() function?

1. It erases the contents of any type and cleans the pointer
2. It places the memory address with the pointer in free store
3. It assigns the pointer a NULL value
4. It disables the memory address with the pointer

The following statement is used in C for

char *ptr = (char*) malloc(Length);

1. For faster execution of programs
2. For reducing the code
3. For conservation of memory
4. Both A and B

What is the output of the program?   

    #include <stdio.h>
    #define sq(a) a * a      

    void main()    
    {
        printf("%d", sq(3 + 2));
    }        

1. 25
2. 11
3. 10
4. Compilation error