Placement Papers - HCL

Hcl  C Programming Skills Test
 

 
  
Answer  the questions based on the following program:
   
STRUCT  DOUBLELIST
 
{  DOUBLE CLINKED
 
INT  DET; LIST VOID
 
STRUCT  PREVIOUS; (BE GIVEN AND A PROCEDURE TO DELETE)
 
STRUCT  NEW; (AN ELEMENT WILL BE GIVEN)
 
}
 
DELETE(STRUCT  NODE)
 
{NODE-PREV-NEXT  NODE-NEXT;
 
NODE-NEXT-PREV  NODE-PREV;
 
IF(NODE==HEAD)
 
NODE
 
}
 

   
Q.  In what case the prev was
 
(a)  All cases
 
(b)  It does not work for the last element
 
(c)  It does not for the first element
 
(d)  None of these
 

  Answer the questions based on the following program 
VOID  FUNCTION(INT KK)
 
{KK+=20;
 
}
 
VOID  FUNCTION (INT K)
 
INT  MM,N=&M
 
KN  = K
 
KN+-=10;
 
}
   

   
Q.  What is the output of the following program
 
main() 
{  int var=25,varp;
 
varp=&var;
 
varp  p = 10;
 
fnc(varp)
 
printf("%d%d,var,varp);
 
}
 

  a) 20,55
 
(b)  35,35
 
(c)  25,25
 
(d)55,55
   

   
1.  a=2, b=3, c=6
 
Find  the value of c/(a+b)-(a+b)/c
   

   
2.  What does the hexanumber E78 in radix 7.
 
(a)  12455
 
(b)  14153
 
(c)  14256
 
(d)  13541
 
(e)  131112
 
Ans.  (d)
   

   
3.  10 : 4 seconds :: ? : 6 minutes
 
Ans.  900
 

 
  4. Q is not equal to zero and k = (Q x n - s)/2.What is n? 
(a)  (2 x k + s)/Q
 
(b)  (2 x s x k)/Q
 
(c)  (2 x k - s)/Q
 
(d)  (2 x k + s x Q)/Q
 
(e)  (k + s)/Q
 

 
  5. From the following statements determing the order of ranking 
M  has double the amount as D
 
Y  has 3 rupess more than half the amount of D
 
Ans.  Data insuffiecient
 

 
  Questions 6 - 10 are to be answered on the following data 

  A causes B or C, but not both 
F  occurs only if B occurs
 
D  occurs if B or C occurs
 
E  occurs only if C occurs
 
J  occurs only if E or F occurs
 
D  causes G,H or both
 
H  occurs if E occurs
 
G  occurs if F occurs
 

  6. If A occurs which of the following must occurs 
I.  F and G
 
II.  E and H
 
III.  D
 
(a)  I only
 
(b)  II only
 
(c)  III only
 
(d)  I,II, & III
 
(e)  I & II (or) II & III but not both 
Ans.  (e)
 

   
7.  If B occurs which must occur
 
(a)  D
 
(b)  D and G
 
(c)  G and H
 
(d)  F and G
 
(e)  J
 
Ans.  (a)
   
  
8.If  J occurs which must have occured
 
(a)  E
 
(b)  either B or C
 
(c)  both E & F
 
(d)  B
 
(e)  both B & C
 
Ans.  (b)
   
  
9.  Which may occurs as a result of cause not mentioned
 
I.  D
 
II.  A
 
III.  F
 
(a)  I only
 
(b)  II only
 
(c)  I & II
 
(d)  II & III
 
(e)  I,II & III
 
Ans.  (c)
 

 
 
  10. E occurs which one cannot occurs 
(a)  A
 
(b)  F
 
(c)  D
 
(d)  C
 
(e)  J
 
Ans.  (b)