# Placement Papers - HCL

## Why HCL Placement Papers?

Learn and practice the placement papers of HCL and find out how much you score before you appear for your next interview and written test.

## Where can I get HCL Placement Papers with Answers?

IndiaBIX provides you lots of fully solved HCL Placement Papers with answers. You can easily solve all kind of placement test papers by practicing the exercises given below.

## How to solve HCL Placement Papers?

You can easily solve all kind of questions by practicing the following exercises.

### HCL Placement Paper (C- Programming)

Posted By : Sivakumaran Rating : +58, -9

PAPER: HCL Placement Paper (C- Programming)

C Programming

1. Which of the following about the following two declaration is true
i ) int *F()
ii) int (*F)()

Choice :
a) Both are identical
b) The first is a correct declaration and the second is wrong
c) The first declaration is a function returning a pointer to an integer and the second is a pointer to function returning int
d) Both are different ways of declaring pointer to a function

Answer : c) The first de...

2. What are the values printed by the following program?

#define dprint(expr) printf(#expr "=%d
",expr)

main()
{
int x=7;
int y=3;
dprintf(x/y);
}

Choice:
a) #2 = 2 b) expr=2 c) x/y=2 d) none

3. Which of the following is true of the following program

main()
{
char *c;
int *ip;
c =(char *)malloc(100);
ip=(int *)c;
free(ip);
}
Ans: The code functions properly releasing all the memory allocated

4.output of the following.
main()
{
int i;
char *p;
i=0X89;
p=(char *)i;
p++;
printf("%x
",p);
}
ans:0X8A

5.which of the following is not a ANSI C language keyword?

Ans: Function.

6. When an array is passed as parameter to a function, which of the following statement is correct

choice:
a) The function can change values in the original array
b) In C parameters are passed by value. The function cannot change the original value in the array
c) It results in compilation error when the function tries to access the elements in the array
d) Results in a run time error when the function tries to access the elements in the array

7. The type of the controlling expression of a switch statement cannot be of the type

a) int b) char c) short  d) float  e) none

8.What is the value of the expression (3^6) + (a^a)?

a) 3 b) 5 c) 6 d) a+18 e) None

9. What is the value assigned to the variable X if b is 7 ?
X = b>8 ? b <<3 : b>4 ? b>>1:b;

a) 7 b) 28 c) 3 d) 14 e) None
Ans: 3;

10. Which is the output produced by the following program
main()
{
int n=2;
printf("%d %d
", ++n, n*n);
}

a) 3,6 b) 3,4 c) 2,4 d) cannot determine

11. What is the output of the following program?
int x= 0x65;
main()
{
char x;
printf("%d
",x)
}

a) compilation error b) 'A' c) 65 d) unidentified

ans. d)

12. What is the output of the following program
main()
{
int a=10;
int b=6;

if(a=3)
b++;
printf("%d %d
",a,b++);
}

a) 10,6 b)10,7 c) 3,6 d) 3,7 e)
none

13. What can be said of the following program?
main()
{
enum Months {JAN =1,FEB,MAR,APR};
Months X = JAN;
if(X==1)
{
printf("Jan is the first month");
}
}

a) Does not print anything
b) Prints : Jan is the first month
c) Generates compilation error
d) Results in runtime error

14. What is the output of the following program?
main()
{
char *src = "Hello World";
char dst;
strcpy(dst,src);
printf("%s",dst);
}
strcpy(char *dst,char *src)
{
while(*src) *dst++ = *src++;
}

a) "Hello World" b)"Hello" c)"World" d) NULL e)
unidentified

15. What is the output of the following program?

main()
{
int l=6;
switch(l)
{ default : l+=2;
case 4: l=4;
case 5: l++;
break;
}
printf("%d",l);
}
a)8 b)6 c)5 d)4 e)none

16. What is the output of the following program?
main()
{
int x=20;
int y=10;
swap(x,y);
printf("%d %d",y,x+2);
}
swap(int x,int y)
{
int temp;
temp =x;
x=y;
y=temp;
}

a)10,20 b) 20,12 c) 22,10 d)10,22
e)none

17. What is the output of the following problem ?
#define INC(X) X++
main()
{
int X=4;
printf("%d",INC(X++));
}

a)4 b)5 c)6 d)compilation error e) runtime
error

Answer : d) compilation error no ++++ operator allowed

18. what can be said of the following

struct Node {
char *word;
int count;
struct Node left;
struct Node right;
}

a) Incorrect definition
b) structures cannot refer to other structure
c) Structures can refer to themselves. Hence the statement is OK
d) Structures can refer to maximum of one other structure

19. What is the size of the following union.
Assume that the size of int =2, size of float =4 and
size of char =1.
Union Tag{
int a;
flaot b;
char c;
};

a)2 b)4 c)1 d) 7

ans : b.)

20) What is the output of the following program? (. has been used to indicate a space)
main()
{
char s[]="Hello,.world";
printf(%15.10s",s);
}

a)Hello,.World...
b)....Hello,.Wor
c)Hello,.Wor.... (this option is correct for
%s-15.10s)
d) None of the above

Ans: b.) total 15 spaces and print only 10 characters.