Placement Papers :: NON-IT Company ::

Flextronics Whole Testpaper 5

  FLEXTRONICS PAPER

Section C

1. 1.                  an lead compensator zero is at Z=Zc, pole is at P=Pc then the following is correct    
     a.  Pc > Zc, pc< 0, zc< 0
     b.
     c.
2. 2.                  gain margin of g(s)h(s)=1/s(s+k);
     a.   sqrt(1+k2)
     b.   0
     c.    infinity
     d.    1
3. 3.                  machestor code does not improves                                                                 
      a. clock recovery
      b. bandwidth efficiency
      c.
4. 4.                  possion distribution is used for
     a. used in FSM
     b.
     c.used for queuing delay system of mutually identical events of arrival
     d. both a and c
5. 5.                   no.of filpflops for mod 11 counter
        a.  four
        b.  five
        c.
6. 6.                   no.of filpflops for mod 11 counter
      a.  four
      b.  five
      c.

1. 7.                  if even parity is used for parity generation, what is the hamming distance (simple fig is given) ans:2
2. 8.                  the code set is {00000,00111,11100,11011} what is the error detecting and correcting capability?
   ans:2,1
3. 9.                  operational amp characteristics following is correct:                                        
      1. input impedance is 0
      2. output impedance is infinity
      3. input impedance is infinity
      4. gain is infinity  which combinations are correc
4. 10.               band pass signal having frequencies 2.5k and 4.5k?give the sampling freq
      a.  9k
      b.  4k
      c.  4.5k
      d.  7k
5. 11.              definition of avalanche diode multiplication
6. 12.               more no of ripples are present in the diagram?which is correct                      
     a.   lower order filter
     b.   high order filter
     c.  
7. 13.               If CPU have one interrupt pin and on to connect with external devices with some priority? which type of the following is used?
     a. parallel priority interrupt
     b. daisy chain
     c. RS filpflop
     d.
8. 14.               one megabit file transfer, serially on 9600 baud one start bit and two stop bits, then how much time it takes (approx)
     a.   4 hours
     b.   2 hours
     c.   20 minutes
     d.   2 minute
9. 15.              IEEE 802.5 is  ans: TOKEN RING
10. 16.              Code sequence is given what is the error correcting distance
11. 17.              bit stuffing used in HDLC Protocol for ans: b is correct(read on text book)         

       Section A  AND B  (Both are mixed )

18    If "AaBbCc" is passed to the char
   char x(*a)
   {
    a[0]?x(a+1):1;
    printf("%c",a[0]);
    return 1;
    } what will be the output?

19     f(*p)
   {
    p=(char *)malloc(6);
    p="hello";
    return;
     }
       main()
        { 
          char *p="bye";
           f(p);
         printf("%s",p);                                                                                   
        }
         what is the o/p? ans:bye

20    hen the program counter is incremented in the instruction cycle
 a. fetch cycle
 b. int cycle
 c. execuation cycle
 d.

21    wo sorted lists of n elements will take at least fine the order of complexity?
  a.  2n
  b.  n/2
  c.  square(n)

22    logic diagram is given? find the expression ans: OR gate

23    uestion on JAVA string ans: string ends without a null character

24    ache access time is 100ns. main memory access time is 1000ns, hit ratio is .9, find mean access time?
ans :200ns

25    hich is not suitable to find out IP address ans:ARP

26  about deadlock condition

27 convert 41.6875 into binary

28  read about IP AND IPX

29 read about NFS

30  DHCP is
   a. for routing
   b. for network address conversion                                                         
   c. for diagnosis
   d.

31    xecution phase can be
  a. pipelined
  b. no parallelism is possible
  c. vector processing
  d.

32                In public key algorithm , A wants to send message to B ..... which key is used
  a.  A public key
  b.  A private key
  c.  B public key
  d.  B private key