Placement Papers - HCL

HCL CISCO PLACEMENT PAPER AND INTERVIEW QUESTIONS
   

  Section A
   
  1. Which of the following involves context switch,
 
  (a) system call
  (b) priviliged instruction
  (c) floating poitnt exception
  (d) all the above
  (e) none of the above
 
  Ans: (a)
 
 
  2. In OST, terminal emulation is done in
 
  (a) sessions layer
  (b) application layer
  (c) presentation layer
  (d) transport layer
 
  Ans: (b)
 
 
  3. For a 25MHz processor , what is the time taken by the instruction  which needs 3 clock cycles,
 
  (a)120 nano secs
  (b)120 micro secs
  (c)75 nano secs
  (d)75 micro secs
 
 
  4. For 1 MB memory, the number of address lines required,
 
  (a)11
  (b)16
  (c)22
  (d) 24
 
  Ans. (b)
 
 
  5. Semaphore is used for
 
  (a) synchronization
  (b) dead-lock avoidence
  (c) box
  (d) none
 
  Ans. (a)
 
 
  6. Which holds true for the following statement
 
  class c: public A, public B
 
  a) 2 member in class A, B should not have same name
  b) 2 member in class A, C should not have same name
  c) both
  d) none
 
  Ans. (a)
 
 
  7. Question related to java
 
 
  8. OLE is used in
 
  a) inter connection in unix
  b) interconnection in WINDOWS
  c) interconnection in WINDOWS NT
 
 
  9. Convert a given HEX number to OCTAL
 
 
  10. Macros and function are related in what aspect?
 
  (a)recursion
  (b)varying no of arguments
  (c)hypochecking
  (d)type declaration
 
 
  11.Preproconia.. does not do which one of the
  following
 
  (a) macro
  (b) conditional compliclation
  (c) in type checking
  (d) including load file
 
  Ans. (c)
 
 
  12. Piggy backing is a technique for
 
  a) Flow control
  b) Sequence
  c) Acknowledgement
  d) retransmition
 
  Ans. (c)
 
 
  13. In signed magnitude notation what is the minimum value that can  be represented with 8 bits
 
  (a) -128
  (b) -255
  (c) -127
  (d) 0
 
 
  14. There is an employer table with key fields as employer number  data in every n\'th row are needed for a simple following queries will get  required results.
 
  (a) select A employee number from employee A , where exists from  employee B where A employee no. >= B employee having (count(*) mod n)=0
  (b) select employee number from employe A, employe B where A  employe number>=B employ number group by employee number  having(count(*) mod n=0)
  (c) both (a) & (b)
  (d) none of the above
 
 
  15. Type duplicates of a row in a table customer with non  uniform key field customer number you can see
 
  a) delete from costomer where customer number exists( select  distinct customer number from customer having count )
  b) delete customer a where customer number in b rowid
  c) delete customer a where custermor number in( select customer number  from customer a, customer b )
  d) none of the above
 
 
  Section B
   
 
  1. Given the following statement enum day = { jan = 1 ,feb=4,  april, may} What is the value of may?
 
  (a) 4
  (b) 5
  (c) 6
  (d) 11
  (e) None of the above
 
 
  2. Find the output for the following C program
 
  main
  {int x,j,k;
  j=k=6;x=2;
  x=j*k;
  printf("%d", x);
 
 
  3. Find the output for the following C program
 
  fn f(x)
  { if(x<=0) > return;
  else f(x-1)+x;
  }
 
 
  4. Find the output for the following C program
 
  i=20,k=0;
  for(j=1;j  {k+=j<10?4:3;> } 
   printf("%d", k);  
    
   Ans. k=4 
    
    
    5. Find the output for the following C program 
    
   int i =10 
   main() 
   {int i =20,n; 
   for(n=0;n<=i;) > {int i=10; 
   i++; 
   } 
   printf("%d", i);  
    
   Ans. i=20 
    
    
    6. Find the output for the following C program 
    
   int x=5; 
   y= x&y 
    
    
    7.Find the output for the following C program 
     
   Y=10; 
   if( Y++>9 && Y++!=10 && Y++>10) 
   {printf("%d", Y); 
   else  
   printf("%d", Y); 
   }  
    
   Ans. 13 
    
    
    8. Find the output for the following C program 
    
   f=(x>y)?x:y 
    
   a) f points to max of x and y 
   b) f points to min of x and y 
   c)error 
    
   Ans. (a) 
    
    
    9. What is the sizeof(long int) 
    
   (a) 4 bytes  
   (b) 2 bytes  
   (c) compiler dependent  
   (d) 8 bytes 
    
    
    
    10. Which of the function operator cannot be over   loaded 
    
   (a) <= > (b) ?: 
   (c) == 
   (d) * 
    
    
    11. Find the output for the following C program 
    
   main() 
   {intx=2,y=6,z=6; 
   x=y==z; 
   printf(%d",x) 
   } 
    
    
    
     Section C (Programming Skills) 
    
    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 
    
    
    
     Section D 
    
    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)