Placement paper for HCL Technology

HCL Technology written test sample, placement paper for HCL

Getting the placement in good MNC is a dream of every engineering student. For Computer Science and engineering students it is dream to get the job as software developer in MNC like TCS ,WIPRO , INFOSYS , HCL etc. In this post I am presenting a sample paer for HCL written test. You can attempt it.

                                                 Aptitude.
 1.    a=2, b=3, c=6  Find the value of c/(a+b)-(a+b)/c
           Ans. 11/30
 2.   What does the hexa number E78 in radix 7.
           (a) 12455
           (b) 14153
           (c) 14256
           (d) 13541
           (e) 131112
          
 3.   In a murder case there are four suspects P,Q,R,S. Each of them makes a statement. They are p:
     "I had gone to the theatre with S at the time of the murder".q: "I was playing cards with P at the time
      of the murder".r: "Q didn't commit the murder".s: "R is not the murderer".Assuming the only one of the
      above statement is false and that  one of them is the murderer, who is the murderer?
             a) P
             b) Q
             c) R
             d) Cann't be concluded                                                                                   
              e) S
            

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 Mohan earned twice as much as Deep. Yogesh earned rs.3/- more than half as much as deep.
       If the amounts earned by Mohan,Deep,Yogesh are M,D,Y respectively, Which of the following is
       the correct ordering of these amounts?
         a) M < D < Y
         b) M< Y < D
         c) D< M < Y
         d) It cann't be determined from the information given
         e) D< Y < M
       
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
 
7.    If B occurs which must occur
          (a) D
          (b) D and G
          (c) G and H
          (d) F and G
          (e) J
 
8.    If J occurs which must have occurred
         (a) E
         (b) either B or C
         (c) both E & F
         (d) B
         (e) both B & C
 
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                                                                                                 
10.  E occurs which one cannot occurs
           (a) A
           (b) F
          (c) D
          (d) C
          (e) J
         
11.  Given that A,B,C,D,E each represent one of the digits between 1 and 9 and that the following
       multiplication holds:
            A B C D E
                    X 4
           --------------
          E D C B A
           --------------      what digit does E represent ?
             a) 4
             b) 6
             c) 8                                                                                                    
             d) 7

12.  HCL prototyping machine can make 10 copies every 4 seconds. At this rate, How many copies
       can the machine make in 6 min.?
        a) 900
        b) 600
        c) 360
        d) 240
        e) 150

13. 10^2(10^8+10^8) =-------------- 10^4
             a) 2(10)^4
             b) 2(10)^6
             c) 10^8
             d) 2(10)^8                                                                                                
             e) 10^10
14. Worker W produces n units in 5 hours. Workers V and W, workers independently but at the
      same time, produce n units in 2 hours.how long would it take V alone to produce n units?
          a) 1 hr 26 min
          b) 1 hr 53 min
          c) 2 hr 30 min
          d) 3 hr 30 min
          e) 3 hr 20 min
         
 15.  Six knights - P,Q,R,S,T and U - assemble for a long journey in Two traveling parties. For security, each traveling party Consists of at least two knights. The two parties travel by separate routes, northern and southern. After one month, the routes of the northern and southern groups converge for a brief time and at that point the knights can, if they wish, rearrange their traveling parties before continuing, again in two parties along separate northern and southern routes. Throughout the entire trip, the composition of traveling parties must be in accord with the following conditions P and R are deadly enemies and, although they may meet briefly, can never travel together. p must travel in the same party with s  Q can’t travel by the southern route U can’t change routes
16.  If one of the two parties of knights consists of P and U and two other knights and travels by the southern route,
       the other members of this party besides P and U must be
       a) Q and S
       b) Q and T                                                                                                              
       c) R and S
       d) R and T
       e) S and T
      
17. If each of the two parties of knights consists of exactly three members, which of the following is not a possible  travelling party and route?
        a) P,S,U by the northern route
        b) P,S,T by the northern route
        c) P,S,T by the southern route
        d) P,S,U by the southern route
        e) Q,R,T by the southern route

18)  If one of the two parties of knights consists of U and two other knights and travels by the northern route, the  other members of this party besides U must be
          a) P and S
          b) P and T
          c) Q and R
          d) Q and T                                                                                                
          e) R and T

19)  If each of the two parties of knights consists of exactly three members of different parties, and R travels by the northern route,then T must travel by the
        a) southern route with P and S
        b) southern route with Q and R
        c) southern route with R and U
        d) northern route with Q and R
        e) northern route with R and U
       
20.  If, when the two parties of knights encounter one another after a month, exactly one knight changes from
       one travelling party to the other travelling party, that knight must be
          a) P
          b) Q
          c) R
          d) S     
          e) T
         
                                                        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 declaraion 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 declarin pointer to a function    
2. What are the values printed by the following program?                                            
        #define dprint(expr) printf(#expr "=%d\n",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. What is th output of the following program?                                                                  
    int x= 0x65;
         main()
            {
             char x;
             printf("%d\n",x)
           }
       a) compilation error     b) 'A'     c) 65       d) unidentified
4. What is the output of the following program
         main()
             {
              int a=10;
              int b=6;
              if(a=3)
              b++;
              printf("%d %d\n",a,b++);
              }
          a) 10,6 b)10,7 c) 3,6 d) 3,7 e) none
       
5. 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
          
6. 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
                   
7. 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
                  

8. 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          

                                                                         

  General computer concepts

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

 2. In OST, terminal emulation is done in                                                                 
     (a) sessions layer
     (b) application layer
     (c) presentation layer
     (d) transport layer

3. For 1 MB memory, the number of address lines required,
       (a)11
       (b)20
       (c)22
       (d) 24

4. Semaphore is used for
      (a) synchronization
      (b) dead-lock avoidence                                                                                   
      (c) box
      (d) none

5.   Piggy backing is a technique for a) Flow control b) sequence c) Acknowledgement d) retransmission
     
6.    the operating system (mapping of virtual to physical address)
7        A 177333(conversion of HEX "0xFEDB"in octal)

8         In signed magnitude notation what is the minimum value that can be represented with 8 bits

(a) -128
(b) -255
(c) -127
(d) 0






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Computer Science Junction: Placement paper for HCL Technology
Placement paper for HCL Technology
HCL Technology written test sample, placement paper for HCL
Computer Science Junction
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