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Home » Placement Papers » Aditi Placement Paper 11 » Aditi Technologies Placement Paper 11

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Aditi Technologies Placement Paper 11


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1.What would be the output of the following program.

#include<stdio.h>
main()
{
  extern int a;
  printf("%d",a);;
}
int a=20;

(a)20 (b)0 (c)garbage value (d)error!!

2.
What would be the output of the following program.

main()
{
  int a[5]={2,3};
  printf("\n %d %d %d",a[2],a[3],a[4]);
}

(a)garbage value (b)233 (c)322 (d)000

3.
What would be the output of the following program.

main()
{
 inti=-3,j=2,k=0,m;
  m=++i&&++j||++k;
  printf("\n %d %d %d %d",i,j,k,m);
}

(a)-2301 (b)-3201 (c)-2311 (d)error

4.
What would be the output of the following program.

main()
{
  int a,b;
  a=sumdig(123);
  b=sumdig(123);
  printf("%d %d",a,b);
}

sumdig(int n)
{
  static int s=0;
  int d;
  if(n!=0)
  {
    d=n%10;
    n=(n-d)/10;
    s=s+d;
    sumdig(n);
  }
  else return(s);
}

(a)12 6 (b)6 12 (c)3 15 (d)error

5.
What would be the output of the following program.

#define CUBE(x) (x*x*x)
main()
{
  int a,b=3;
  a=CUBE(b++);
  printf("\n %d %d",a,b);
}

(a)64 4 (b)27 4 (c)27 6 (d)64 6

6.
What would be the output of the following program.

main()
{
  const int x=get();
  printf("%d",x);
}

get()
{
  return(20);
}

(a)20 (b)garbage value (c)error (d)0

7.
A function has this prototype void f1(int **x). How will you call this function?

(a)int **a;
    f1(a);
(b)int a;
    f1(&a);
(c)int *a;
    f1(&a);
(d) int a=5;
    f1(&&a);

8.
Pointout the error, if any, in the for loop

main()
{
  int l=1;
  for(;;)
  {
    printf("%d",l++);
    if(l>10)
      break;
  }
}

(a)The condition in the for loop is a must. 
(b)The two semicolons should be dropped.
(c)The for loop should be replaced by a while loop.
(d)No error

9.Can the following piece of code be executed?

int main(void)
{
  char strA[10]="compile",strB[10];
  my_strcpy(strB,strA);
  puts(strB);
}

char * my_strcpy(char *destination,char *source)
{
  char *p=destination;
  while(*source!='\0')
  {
    *p++=*source++;
  }
  *p='\0';
  return destination;
}

(a)Compilation will only give a warning but will proceed to execute & will display "compile".
(b)The compilation error char *(char *,char *) differs in levels of indirection from 'int()' will occur.
(c)Yes & it will print compile on the screen.
(d)None of the above.

10.
What would be the output of the following program.

#include<stdio.h>
main()
{
  char str[5]="fast";
  static char *ptr_to_array = str;
  printf("%s",ptr_to_array);
}

(a)Compilation will only give a warning but will proceed to execute & will display "fast".
(b)display "fast" on screen.
(c)will give a compilation error.
(d)none of the above.

11.What would be the output of the following program.

main()
{
  int num,*p;
  num=5;
  p=&num;
  printf("%d",*p);
}

(a)6
(b)5
(c)junk value
(d)compilation error

12.
What would be the output of the following program.

main()
{
  int a[3]={2,3,4};
  char *p;
  p=a;
  p=(char *)((int *)p+1);
  printf("%d",p);
}

(a)2
(b)0
(c)junk value
(d)3

13.What would be the output of the following program.

main()
{
  int i=10;
  fn(i);
  printf("%d",i);
}

fn(int i)
{
  return ++i;
}

(a)10
(b)11
(c)12
(d)Compilation error

14. What will be the value of i & j after the loop is executed?

for(i=0,j=0;i<5,j<25;i++,j++)

(a)i=4,j= 24.
(b)i=24,j=24.
(c)i=25,j=25.
(d)i=5,j=25.

15.What would be the output of the following program.

main()
{
  int i,j;
  i=10;
  j=sizeof(++i);
  printf("%d",i);
}

(a)11
(b)10
(c)4
(d)compilation error

16.
What would be the output of the following program.

main()
{
  int i=7;
  printf("%d\n",i++*i++);
}

(a)49
(b)56
(c)72
(d)compilation error

17. What will the printf print?

main()
{
  char *p,*f();
  p=f();
  printf("f() returns:%s\n",p);
}

char *f()
{
  char result[80];
  strcpy(result,"anything will do");
  return (result);
}

(a)f() returns: anything will do.
(b)f() returns:
(c)compilation error.
(d)The printf statement is not going to be executed.

18.How many times the following program would print 'Jamboree'?

main()
{
  printf("\n Jamboree");
  main();
}

(a)infinite number of times.
(b)32767 times.
(c)65535 times.
(d)till the stack does not overflow.

19.Notice the error in the default statement in the code snippet below.Will it give a compilation error?

main()
{
  int a=10,j;
  j=fn(a);
  switch(j)
  {
    case 30: printf("the value is 30");
    break;
    case 50: printf("the value is 50");
    break;
    default:printf("the value is not 30 or 50");
  }
}

fn(int a)
{
  return (++a);
}

(a) Will display "the value is 30".
(b) Will display "The value is not 30 or 50".
(c) Yes a compilation error would happen.
(d)No compilation errors but there will be no output on the screen.

20.
What would be the output of the following program.

main()
{
  struct emp
  {
    char name[20];
    int age;
    float sal;
  };
  struct emp e = {"tiger"};
  printf("\n %d %f",e.age,e.sal);
}

(a)0 0.000000
(b)Garbage values
(c)Error
(d)none of the above

 

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