Placement Papers - Caritor

1. Struct x
       {
       int i;
       char c;
       }
      
       union y{
       struct x a;
       double d;
       };
      
       printf("%d",sizeof(union y));
      
       a)8
       b)5
       c)4
       d)1
       ans:8
      
      
       2. struct x{
       char c1;
       char c2;
       int i;
       short int j;
       };
      
       struct y{
       short int j;
       char c1;
       char c2;
       int i;
       };
      
       printf("%d %d",size of (struct x),size of (struct y));
      
       a)12 12
       b)8 8
       c)12 8
       d)8 12
       ans:a
      
      
       3. enum x {a=1,b,c,d,f=60,y}
       printf("%d",y);
       a)5
       b)61
       c)6
       d)60
       ans:b
      
       4. #include<stdio.h>
       void main(){
       {
       # define x 10
      
       }
       printf("%d
",++x);
       }
      
       a)11
       b)10
       c)compile error
       d)runtime error
       ans:c
      
       5. #include<stdio.h>
       void main()
       {
       int k=2,j=3,p=0;
       p=(k,j,k);
       printf("%d
",p);
      
       }
       a)2
       b)error
       c)0
       d)3
       ans:a
 

       6. How to typedef a function pointer which takes int as a parameter
       and return an int
       a)Is not possible
       b)typedef int *funcptr int;
       c)typedef int * funcptr( int);
       d)typedef int (*funcptr)(int);
       ans:d
       

       7. #include<stdio.h>
       void main()
       {
       int k=10;
       k<<=1;
       printf("%d
",k);
       }
       a)10
       b)0
       c)20
       d)compilation error
       ans:c
      
       8. #include<stdio.h>
       void main()
       {
       int i=-10;
       for(;i;printf("%d
",i++));
       }
       a)error
       b)prints -10 to -1
       c)infinite loop
       d)does not print anything
       ans:b
       
9. #include<stdio.h>
       void main()
       {
       int I=65,j=0;
       for(;j<26; i++,j++){
       printf("%s
", i);
       }
       }
       a)compilation Error
       b)prints A to Z
       c)prints a to z
       d)runtime error
       ans:b
       

       10. #include<stdio.h>
       void main()
       {
       unsigned int i=-1;
       printf("%d
",i);
       printf("%u
",i*-1);
       }
      
       a)runtime error
       b)compilation error
       c)prints -1 to 1
       d)prints 1 and 1
       ans:c
       

       11. #include <stdio.h>
       void main()
       {
       int **I;
       int *j=0;
       i=&j;
       if (NULL != i&& NULL != *i){
       printf("I am here");
       }
       }
      
       a)prints I am here
       b)does not print anything
       c)compilaton error
       d)runtime error
      
       ans:b
       

       12 #include<stdio.h>
       void main()
       {
       int *j=(int *)0x1000;
       printf("%p",j);
      
       }
       a)prints-1000
       b)runtime error
       c)compilation error
       d)none of the above
      
       ans:d
       
13 #include<stdio.h>
       void main()
       {
       int a[2][2]={{2},{3}};
       printf("%d",a[0][0]);
       printf("%d",a[0][1]);
       printf("%d",a[1][0]);
       printf("%d",a[1][1]);
       }
       a) 2300
       b)2000
       c)0030
       d)2030
       ans:d
 
       
14) #include<stdio.h>
       void main(int x)
      
       {
       printf("%d",x) ;
      
       }
       if the name of the executable file is abc and the command line is
       given as
       abc xyz
       what is the output
       a)compilation error
       b)1
       c)2
       d)undefined
       ans:2
 
       
15. #include<stdio.h>
       void main(int argc)
       {
       char a[]={\'1\',\'2\',\'3\',0,\'1\',\'2\',\'3\'};
       printf(a);
       }
      
       a) compilation error, b) 123, c) 123 123, d) 1230123
       ANS:b

       
16. #include<stdio.h>
       void func(int *x)
       {
       x=(int *) malloc(sizeof(int));
       printf("in func: %p
",x);
       }
      
       void main(int argc)
       {
       int **pp;
       int *p;
       pp=(int **) malloc(sizeof(int *));
       p=(int *) malloc(sizeof((int));
       *pp=p;
       printf("first:%p
",*pp);
       func(*pp);
       printf("last %p
",*pp);
       }
      
       assuming the p is equal to 1000 and x is equal to 2000 atfer malloc
       calls
      
       a) 1000,2000,1000, b) 1000,2000,2000, c) 1000,1000,1000 d)
       2000,2000,2000
       ANS:a
 
       
17. #include<stdio.h>
       #define const const
       void main(int argc)
       {
       const int x=0;
       }
      
       a) compilation error, b) runs fine, c) runtime error, d) none
       of these
       ANS:b
 
       
18. #include<stdio.h>
       void main(int argc)
       {
       int d=1234.5678;
       printf("%d",d);
       }
      
       a) error, b) 1234.5678, c) 1234, d) 1235
       ANS:c
 
       
19. #include<stdio.h>
       void main(int argc)
       {
       int a[]={5,6};
       printf("%d",a[1.6]);
       }
      
       a) 5, b) runtime error, c) compilation error, d) 6
       ANS:d
 
       
20. #include<stdio.h>
       struct x
       {
       int i=0; /*line A*/
       };
       void main(int argc)
       {
       struct x y; /*line B*/
       }
      
       a) error due to B,
       b) no problem with option A and B,
       c) error somewhere other than line A and B,
       d) error due to line A
       ANS:d
 
       
21. #include<stdio.h>
       void main(int arg c)
       {
       int x=1111;
       printf("%d",!x);
       }
       a.prints 1111
       b.compilation error
       c.prints 0
       d.is not a valid option
       ans:c
       

       22. struct {
       int len;
       char *str
       }*p;
       ++p -> len
      
       a.increments p
       b. increments len
       c.compilation error
       d.nothing happens with either of p and len
       ans:b
       

       23. int i=10;
       a.declaration
       b.definition
       c.both
       d.none
       ans:c
 
       
24. #include<stdio.h>
       void main(int arg c)
       {
       char a[]=abcdefghijklmnopqrstuvwxyz;
       printf(%d,sizeof(a));
       }
       a.25 b.26 c.27 d.28
       ans:c
       

       25. #include<stdio.h>
       void main(int arg c)
       {
       char a[]=abcdefghijklmnopqrstuvwxyz;
       char *p=a;
       printf(%d,strlen(p));
       p+=10;
       printf(%d,strlen(a));
       }
       a.26 26
       b.26 16
       c.compilation error
       d.16 26
       ans:a
 
       
26. if a file contains the IT       solutions Inc.rn then on reading this
       line the array str using fgets() what would str contain?
       a. IT solutions Inc.
       b. IT solutions Inc.r0
       c. IT solutions Inc.rn0
       d. IT solutions Inc.n0
 
       
27. if the following program (myprog)is       run from the command line as
       myprog 1 2 3
       what would be the output?
       Main(int argc , char *argv[])
       {
       int I ,j=0;
       for (I=0;I<argc;I++)
       j=j+atoi(argv[i]);
       printf(%d.j);
       }
      
       a. 123 b.6 c.error d.123
       ans:6
       

       28. when pointers declared initialized to :
       a. null
       b.newly allocated memory
       c)nothing,its random
       d)none of the above
       ans:c
 
       
29. what is the output of the       following code?
       #include<stdio.h>
       void main()
       {
       printf("%d",printf(" hello world "));
       }
      
       a) 13, b) hello world 13, c) hello world, d) error
       ANS:b

       
30. what is the output of the       following code, assuming that the array
       begins at location 5364875?
       #include<stdio.h>
       void main()
       {
       int a[2][3][4]={
       {2,1,4,3,6,5,8,7,0,9,2,2}
       {1,2,3,4,5,6,7,8,9,0,1,2}
       };
       printf("%u %u %u %u",a,*a,**a,***a);
       }
       a) 5364875,5364876,5364877,5364878
       b) 5364875,5364876,5364877,2
       c) 5364875,5364875,5364876,5364876
       d) 5364875,5364875,5364875,2
       ANS:d