ISOFT Placement Paper | iSOFT Technical-C Questions | iSOFT Latest Test Paper
ISOFT Placement Paper (Technical-C Questions)
1. a=5,b=3,c=a,b
d=(a,b)
printf(c,d)
Ans:c=5,d=3
2.e(int n)
{
if(n>0)
{
...(not clear)
printf("%d",n);
e(--n);
}
return
}
Ans:0,1,2,0
3.which has no problem with pointers
int *f1()
{
int n;
return (n)
}
int *f2()
{
int *p;
*p=3;
return p;
}
int *f3()
{
int *p;
p=malloc();
return p;
}
Ans:no error
4. header file ->contains declarations.
5.sizeof operator is executed during compile time..
6.*p+=1
*p++
are these two same?
not same.
7.func(int i)
{
static int count;
count=count+i;
}
Ans:1+2+3...(counts values does not go after funtion call
8. is('a'<'b') true
9. short int=16 bits
10. 4 stmt. ans.int float i;
11..int num[3];
num[3]=2;
Ans:first stmt deals with size
second deals with element
12. j=4
for(int i=0;i<5;i++)
{
j++;
++j;
}
output of j.
Ans:14
13. char s1[20]="hello world";
s1[5]="\0";
printf("%d",strlen(s1));
printf("%%.%...(not clear)",s1);
}
Ans: bad format specifier
14. brace { used in c for what
Ans:convention
15. parameters in c passed by
Ans:value.
16.when an array is passed it is by
Ans:pointer
17. scanf can read
Ans:any data type
18.which cant be passed to subroutine.
Ans:pre processor directive.
19.to get string of words.
Ans:gets()
20. external variables can be accesed
Ans:in functions which use them.