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Aditi Technical Questions - 06 Mar 2011

Posted on :16-02-2016
Aditi Technical Questions - 06 Mar 2011:-


Q1. 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!=)
{
*p++=*source++;
}
*p=;
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


Q2. 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


Q3. 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


Q4. 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


Q5. What would be the output of the following program?

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

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


Q6. What will be the printf print?

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


Q7. What would be the output of the following program?

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

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


Q8. Point out 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 droppe  
(c) The for loop should be replaced by awhile loop 
(d) No error


Q9. 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


Q10. What would be the output of the following program?

#include
main()
{
extern int a; 
printf(%d,a);;
}
int a=20;
  
(a) 20   
(b) 0   
(c) garbage value   
(d) error!!


Q11. 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


Q12. How many times the following program would print Jamboree?

main()
{
printf( Jamboree);
main();
}

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


Q13. 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


Q14. What would be the output of the following program?

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

(a) -2   3   0   1   
(b) -3   2   0   1   
(c) -2   3   1   1   
(d) error


Q15. What would be the output of the following program?

main()
{
int num,*p;
num=5;
p=#
printf(%d,*p);
}
 
(a) 6 
(b) 5 
(c) junk value 
(d) compilation error


Q16. What would be the output of the following program?

main()
{
int i=7;
printf(%d ,i++*i++);
}
 
(a) 49 
(b) 56 
(c) 72 
(d) compilation error


Q17. What would be the output of the following program?

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

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


Q18. What would be the output of the following program?

#include
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


Q19. A function has this prototype void f1(int **x), How will you call this function?

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


Q20. 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


  
   


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