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TNPSC 2019: Assistant System Engineer & Assistant System Analyst, PAPER - I

  • Date: 7 April 2019
  • Paper code: 349
  • Language: Bilingual
  • 40 pages
TNPSC 2019 question paper, Assistant System Engineer & Assistant System Analyst, PAPER - I, page 1 of 40
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Sl. No.:                                                                                      ASEAl/19
                                                                      Register
                                                                      Number

                                                  PAPER-I
                                         CS, ECE, EEE AND IT
                                                  (Deg. Std.)
Time     Allowed:     3 Hours]                                                            [Maximum       Marks:   200
          Read   the following   instructions   carefully    before   you begin   to answer   the questions.

                                          IMPORTANT         INSTRUCTIONS
1.       The applicant will be supplied with Question Booklet 15 minutes before commencement of the examination.
2.       This Question Booklet contains 140 questions. Prior to attempting to answer the carHlidates are requested
          to check whether all the questions are there in series and ensure there are no blank pages in the question
        .booklet. In case any defect in the Question Paper is noticed it shall be reported to the Invigilator
          within first 10 minutes and get it replaced         with a complete Question Booklet. If any defect is
        . noticed in the Question Booklet after the commencement         of examination,  it will not be replaced.
3.       Answ'er all questions. Question Nos. l-,. 80 carry one mark each and question Nos. 81 '- 140 carry
          2 marks each.
4.     . You must write your Register Number in the space provided on the top right side of this page. Do not
          write anything else on the Question Booklet.
5.        An answer sheet v:,ill be supplied to you, separately by the Room Invigilator to mark the answers.
6.        You will also encode your Question Booklet Number with Blue or Black ink Ball point pen in the space
          provided on the side 2 of the Answer Sheet. If you do not encode properly or fail to encode the above
          information, action will be taken as per commission's notification.
7.        Each question comprises four responses (A), (B), (C) and (D). You are to select ONLY ONE correct
         "response and mark in your Answer Sheet. In case you feel that there are more than one correct.
          response, mark the response which you consider the besLIn any case, choose ONLY ONE response for
          each question. Your total marks will depend on the number. of correct responses marked by you in the
          Answer Sheet.
8.      In the AnSWer Sheet there are four circles @ '@' @ and @ against each question. To answer the
        questions you are to mark with Blue or Black ink Ball point pen ONLY ONE circle of your choice for
        each question. Select one response for each question in the Question Booklet and mark in the Answer
        Sheet. If you mark more than one answer for one question, the answer will be treated as wrong. e.g. If
        for any item, @ is the correct answer, you have to mark as follows:
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9.    You should not remove or tear off any sheet from this Question Booklet. You are not allowed to take
      this Question Booklet and the Answer. Sheet out of the Examination             Hall during the time of
    . examination.   After the examination     is concluded, you must hand over your Answer Sheet to the
      Invigilator. You are 'allowed to take the Question Booklet with you only after the Examination is over.
10. . Do not mark any marking         in the question   booklet except in the sheet before the last page of
       the question  booklet, which can be used' for rough work. This should be strictly adhered.
11.   Applicants have to write and shade the total number of answer fields left blank on the boxes provided
      at side 2 of OMR Answer Sheet. An extra time of 5 minutes will be given to specify the number of
      answer fields left blank.
12.   Failure to comply with any of the above instructions will render you' liable to such action or penalty as
      the Commission may decide at their discretion.          .



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SPACE FOR ROUGH WORK




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1.    The Time period of IC 555 Monostable multivibrator operation is

           (A)       1.38 RC                              ..,fJiII!' 1.1 R C

           (C)       1.45 RC                               (D)     13.8RC




     2.    In queue insertion takes place -----end.


           (A)       front                            ~rear


           (C)       top                                   (D) bottom




     3.   . Pre order is also known as


            (A)      symmetric order                       (B)     asymmetric order .


          \fiIf'", depth first order                       (D) breadth first order




,.   4.    The complexity of Binary search algorithm is


            (A)      O(n)                                   (B)     O(n2).


          ..JIf!f'   O(logn)                                (D)     O(nlogn)




     5.       The another name for header node is

          ~          list header                            (B)     list node


              (e)    tail header                            (D) push header



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6.     A flip-flop whose state changes on the rising or falling edge of a clock pulse is said to be

        .JIIf   Edge triggered flip flop

         (B)    Level triggered flip flop

         (C)    Edge and Level triggered flip flop

         (D)    Triggering




.. 7.    A multiplexer is also known as

         (A)    da ta provider                         ~         data selector

         (C)    selector                                   (D). multiplier




   8.    For any pair of random variables X, Y Fxy (00,00) is

         (A)     00                                    ...tL1
         (C)    -1                                    • (D)      0




   9.    Consider the following transition graph of a Markov Chain




          The period of the state '0' is

          (A)    2                                         (B)   3

        ~4                                                 (D)   6


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10.                    is the separation of user logical memory from physical memory.


          (A) .   Main Memory                            (B)   Cache Memory


      ~           Virtual Memory                         (D)   External Memory




11.       -----

          system.


          (A) . Unknown
                        access allows a user to transfer files without having an account on the remote

                                                                                                         ••
                                                         (B). Arbitrary


      ~           Anonymous                              (D)   Remote




12.       -----        consists of all processes residing on disk .awaiting allocation of main memory.


          (A)     Memory Po~l                            (B)   CPU Pool              .

      ~           Job Pool                               (D)   Interrupt Pool




13.       .A cloud environment available via the internet to anyone willing to pay is


      ~           Public cloud                           (B)   Remote cloud


          (C)     Hybrid cloud                           (D)   Private cloud




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14.   Which RAID level represents. an Error - correcting codes (ECC) can be used directly in disk

           arrays by striping bytes across disks


           "'IiI' RAID Level 2                                     (B)    RAID Level 3


           (C)       RAID Level 4                                  (D)    RAID Level 5




••   15.   An index that is based on a uniform distribution of values across a range of brackets is called


           (A)       ordered iridex                            -~         m~lti level index


            (C)      multi layer index                              (D)   Hash index




     16.    The storage class used for global and local variables are


           ~          extern, auto                                  (B)   auto, static


            (C)       static, auto                                  (D)   auto, extern




     17.       If the array is declared as int a(5)[5]'   how many elements it can store?


               (A)    10                                          '\jIf( 25

               (C)    15                                            (D)   20




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18.          A method that is declared -----          cannot be overridden in a sub-class .

         ..IJII"    final"                                   (B)    public

             (C)    private                                  (D)    protected




19.          Initialization of 'static' data member must be done'

             (A)    outside the class

         ~          right after class de~nition

             (C).   in main( ) function

             (D)    in member function




     "
20.       -----              is an example of compile time polymorphism.

          (A)       Virtual function

          (B)       Member function                                                  •

         ""         Function overloading

          (D)       Friend function




21.       XCHG instruction in 8085 provides exchange of data between

         ~          HLandDE

          (B)       HLandBC

          (C)       BC and DE

          (D)       HL and Accumulator


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22.        What is the immediate super class of Applet Class?


           (A)    Object                                  (B)    Window


       /          Panel                                   (D)    Component




23.        An applet can play an audio file by Audioclip interface, which method is used to replay

           continually?

           (A)    Public Void Play()


       ~          Public Void Loop()

           (C)    Public Void Repeat()


           (D)    Public Void StopO




24..       An XML vocabulary that can be used to communicate structured data


       ~SOAP                                              (B)    WSL


            (C)    Schema                                 (D)    DTD




 25.        A file that records information al,lOutevery HTTP request processed by the server

            (A)    We1Y
                      Server Log                       ..,JIll{" Access Log
            (C)    Message Log                             (D)    Directory Log




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26.       Which6f the following is a more sophisticated load balance?

          ~           Workload Managers

              (B)     Workspace Managers

              (C)     Rackserve Managers

              (D)     Delivery Spot




,   27.       The process of preventing or inhibiting. the normal use or management of communication
              facilities is called as

              (A)     Masquerade                              (B)    Replay

          ."          Dimial of service                      . (D)   Blocking




    28.        The Digital Signature Standard (DSS) makes use of-----algorithm.

               (A)    Super Hash Algorithm

          ..fJI'f Secure Hash Algorithm
               (C)    Signature Hack Algorithm

               (D)    Signature Hide Algorithm




    29.        Say True or False:

               (i)    DES is a secret key cryptography

               (ii)   AES is a public key cryptography

               (A)    (i) - True, (ii) - True

                      (i) - True, (ii) - False

          '"   (C)
               (D)
                      (i) - False, (ii) - True

                      (i) - False, (ii) - False


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30.        Time series prediction is an example for

           (A)   Clustering                                   (B)   Classification

       ~         Regre~sion                                   (0)   Model selection




31.        Which of the following can be modelled using Markov model?

           (A)   writing style of a person

       ¥         base pairs in a DNA sequence

           (C)   words in a sentence

           (D)   characters in a word




                      K    .
32..P(x;l8)        = L1tKPK(x;l8)      is the -----model.
                     K=l



           (A)   weighted-model                               (B)   ensemble model

      .~         . mixture model                              (D) voting model




33.        The IP address encodes'.-----          and -----

           (A)    Range number and byte

       ~          Network number and host number

           (C)    Class number and bit

           (D)    Security number and host number.


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34.    Which phase ofthe unified process transfers the software from the developer to the end-user

           for beta testing and accepta'nce?


           (A)       Production phase                    ~         Transition phase


           (C)       Construction phase                      (D)   Elaboration phase




    35.    The risks that threaten the viability of the software to be built are
I
           (A)       .project risks                          (B)   process risks


           (C)       technical risks                      \III!f' business risks




    36.    The performance attribute is measured by


           ~.         response tim~


            (B).      extensibility


            (C)       human factors


            (D)       accuracy of output results




     37.       The testing approach that begins with the atomic modules is referred to as       •

           ~          bottom-up integration                  (B)    top-down integration


               (C)    component testing                      (D)    unit testing .



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38.      The capacitance of a varactor diode increases when reverse voltage across it


       ""'"      decreases                                   (B)   Increases

           (C)   breaks down                                 (D)   stores charge

                                             j




39.        In an integrated circuit, the Si02layer provides
                                                                               •

           (A)   electrical connection to external circuit

           (B)   physical
                 ..       strength
                          .


       ..JIf!f". isolation.
           (D)   conducting path




40.        Barkhausen criterion for sustained oscillations

           (A)   IPAI > 1; total phase shift 180  0




           (B)   IApl ; 1, total phase shift 180   0




       ~         IAPI; 1, total phase shift 360  0




           (D)   IApl < 1, total phase shift 180   0




.41.       A triangular - wave generator can be formed by cascading

       .JII/'"   an integrator and a square wave form gener,ator

           (B)   an differentiator and a square wave form generator

           (C)   .an integrator and a sine wave form generator

           (D)   an differentiator and a sine wave form generator


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42.    -----          is an almost complet~ binary tree such that the chntent of each node is greater

       than or equal to the contents of its father .

      ...s/    Min "heap                                    (B)   Max heap

       (C)     Min-Max heap                                 (D)   Max-Min heap




43.    -----permits           a microprogram to be loaded initially from an auxiliary memory.

       (A)     Control Memory

       (B)     RAM

      "~

      "(D)
               Dynamic Microprogramming

               Cache Memory
                                                                                                        ••
44.    The un'iversallogic gates are

       (A)     AND,ORandNOT                                 (B)   EXOR and OR

       (C) . AND and OR                                 \/fII!f' NAND and NOR



45.    In canonical sum of products, a sum of product form of logic expression consisting of only

       (A)     Maxterms

      ~"       Minterms

       (C)     Both Minterms and Maxterms

       (D)     Variables



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46.    In a birth-death process transition occur

           (A)       from any state to any state

           (B)       from one state to itself

          ~.         to the neighbouring state only

           (D)       only when there is a birth




    47.    In the probability distribution of arrivai and departures, the probability distribution of
           number of arrivals in a fixed time interval follows

          .oItItf'" Poisson distribution
-          (B)       Exponential distribution

           (C)       Erlang distribution

               (D)   Normal distribution




    48.        In a single server queuing system with Poisson input and exponential serVIce time with
               limited queue'the steady state probability distributi~n of 'the n number of customers in the
               system is given by


                        p
                            "          p=-
                                              A
               (A)
                      1+ pN+!      '      Ii


                                (1+ p)p"             A
               (B)    Pn = I            N+!
                                                   p=-
                                  +p                   Ii


                                (1- p)p"             .A
                      Pn = I           N+!
                                                   p=-
                                 -p                   Ii


                        1+ p             A
               (D)          N"'l   '
                                       p=-
                      1+p                     Ii


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49.    The task of terminatin:g a thread before it has completed is known as


       (A)       Thread abortion                        (B)    Thread termination


       $         Thread cancellation                    (D) Thread interruption




50..   The execution of a single query in parallel on multiple processors and disk is called


       (A)           Interquery Parallism


       ~             Intraquery Parallism


       (C)           Interoperation Parallism .


           (D)       Intraoperation Parallism




51.        Special type of table, which can only be accessed and updated by the database system itself

           called.


           (A)       Data Storage                      VJ!f"   Data Dictionary


           (C)       DBMS                               (D)    Tuples




52.        Which construct can be used to test for the absence of Duplicate Tuples in a relation?


           (A)       'exist                            ¥unique


           (C)       distinct'                           (D)   all'


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53.    Which header file is used for dynamic memoryallocationin C?

          (A)    stdio.h                                      (B) conio.h

      ~          stdlib.h                                     (D) math.h'




54.    A preprocessor directive is always preceded by a symbol

      . (A)      *                                            (B)   II


                                                              (D)   %
      ."'"       #




55.       Binary search is used in which list

          (A)       unordered list                         /sorted         list

          (C)       binary list                               (D) . linear way of list




56.       -----are              sometimes called parameterized classes or functions.

          (A)       Array                                  .~Templates

          (C)       Parameters                             . (D) Buffer




57.       -----is              an objectthat contains data or other obj~cts.

          (A)       lterator                                .JIIIf" Container
          (C)'      Array                                     (D) Vector

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58.      The 8086 instruction, MOV AX, (DI + 06) is

        ~.         Register Relative Addressing Mode

          (BY.     Register Indirect Addressing Mode

          (C)      String Addressing Mode

             (D)   Direct Addressing Mode




59.      8086 is a                     bit microprocessor' intended           to be used. as the' CPU   In a

          microcomputer.

          (A)      8 - bit                             .~         16':'"bit

             (C)   20 - bit                                 (D)   32 - bit




60. .     The multiplexed bus AD, - ADo is demultiplexed in 8085 using a signal


             (A)   Ready                                    (B)   Hold

        .-Jilt' ALE                                         (D)   101M




61.          If the task executes the service codes and gets the system resources at that instance, it is

         . said to be in
                                                                  •
             (A)   idle                                     (B)    ready

             (C)   . blocked                            ~Unning                ..



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62.    The method that handle the request made by the client

       (A)      Init( )                              ~           do Get( )

       (C)      do Post()                                 (D)    getservlet info( )




63.    Which of the 'following environment best describes Workxpress?

       (Al      3 GL                                  ,(B)       4 GL

       .;jI( 5 GL                                         (D)    10 GL




'64.   'Which of the following is essential concept related to cloud?

        (A)      Reliability                              (B)    Productivity

       ¥         Abstraction                              (D)    Hardware




 65.    Which of the following is a property of composable component?

        (A)      Stateful                             ../1If" Stateless
       , (C)     Symmetric                                (D) Vertical




 66.    -----             is a cloud computing service model in which hardware is virtualized in the
        cloud.

       $'        Iaas                                      (B)    Caas

         (C)     Paas                                      (D)    Waas



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67.       The key size of AES algorithm is

          (A)       56, 112 or 168                            (B)   112, 168 or 256

      .'$           128, 192 or 256                           (D)   112, 128 or 192




68:       Which of the followingis true for Euler's theorem? If 0 and n are relatively prIme

      ~             o"(n)    = Imodn                          (B) . o,,(n) = 2mod n

          (C)       o,,(n)   = nmod 1                         (D)   o"(n)   = nmod2




69.       -----is              the measure of impurity used in Decision tree induction.

          .(A)      Entropy

          (B)       Gini Index

          (C)       Misclassification error

      ~             All the above-




70.       Choose the right option:

          (i)       Forward selection starts. with full set of attributes         and removes attribute   In
                    remaining set

          (ii)      Backward elimination start'Ywith empty set and adds attributes           In subsequent
                    iterations.

          (A)       (i) - True, (ii) - False

          (B)       (i) - True, (ii) - True

          (C)       (i) - False, (ii) - True

      ~             (i) - False, (ii) - False



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71.        ~---~--is            an open source project of the Apache foundation ..

           (A)    Java                                     (B)   C++

       ¥          Hadoop                                   (D) C




72.        Metastore contains -------            of hire tables.

           (A)    Error log                                (B)   Monitor

       ~          System catalog                           (D)   Database




73.        Mongo DB provides -------              to support storage of binary dai\'-

           (A)    LFS                                      (B)   CFS

       .$ GridFS                                           (D)   Point FS




74.        R is                      tooL

           (A)    Developer                             ~Statlstical

           (C)    Incomplete                               (D)   Dynamic




.75.       MongoDB is

            (A)    RDBMS

       """         document oriented DBMS

            (C)    object oriented DBMS

            (D)    key value store


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76.    . A connection that 'allows traffic only one way is called

        (A)      ISBN~Simplex

        (C)      Complex                                  (D)    Half - duplex




77.     PPP is a byte-oriented protocol using byte stuffing with the escape byte

        (A)          11001100                             (B)    00110011

        (C)          01111111                            ~0111,JJ01




78.     The final Ethernet Field is the

       ..ItJlf' Checksum                                  (B)    Source Address

         (C)         Destination Address                  .(D)   Pad




 79.     RARP is called as

         (A)         Rare Address Reverse Protocol

       . .tIJiIIf" Reverse Address Resolution Protocol
         (C)         Right Address Reverse Protocol

         (D)         Reverse Address Right Protocol




 80.      Software is .
          (A)         instructions that when executed provide desired features, function andperformance

          (B)         data structures that enable the programs to adequately manipulate information

          (C)         documents that describe the operation and use of the programs

         .IJII'{'"    all the above

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81.       The postfix form of given infix expression A - BI (C * D $ E) is


              (A)    - A IB * C$D E                          ..;If( ABC DE $ ~ 1-
              (C)    AB - CD * $ E I                          (D)    ABCDE * $ I -


                                                                                                      •



    82.       Two basic methods of dealing with a hash. clash are -------                   and   _


              (A)    rehashing,   open addressing




              (D)    secondary clustering,   chaining




    83.       Convert the binary number 110.111 into its equivalent        decimal number


          ~          6.875                                    (B)   .0.875


              (C)    0.6875                                   (D)   68.75




    84.       Convert binary number to a decimal number:         101011012


              (A)    17210
                                                           """       17310

              (C).   16910                                    (D)   4510




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'.     .       .     ' ..                    '{ -'1 , 0 ~' x ~5, 0 ~ y ~ 3
85.     Random vanables X and Y have Jomt PDF !x,y(x, y) = 15
       ,.'                                                   0      otherwise

        What is P[A] =P[Y > X]?

                                                                     5
       $' -103                                             (B)       -
                                                                     10

                   8                                                 9
                                                                     -
       . (C)       -                                       (D)
                   10                                                10




86.     If X is binomial (n, p) ,the      Val' (X)   is

                                                               (B)   P(l-   P)
       "'"         nP(I-   P)

         (C)       nP                                          (D)   n (1- P)




87.      If a program's physical memory address is 300040 and the limit is 120900, then the program
         can legally access all addresses between -------and                     -------

       .JIll" .300040, 420940 .                                (B)   300040, 420939

         (C)       120900, 420939                              (D)   120900, 420940




 88.    ,Algorithm Evaluation of CPU scheduling, Little's formula is used to evaluate algorithm.
         Because of it is valid for

         (A)       arrival distribution

       $           any algorithm and arrival distribution

             (C)   any algorithm

             (D)   none of these

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89.    If you want to store a set of polygons in a database and to query the database to find all the

       polygons thatintersects       a given polygon. Which data is suitable for storing this information?

          (A).   parallel database

          (B)    multimedia database

      ~          spatial database

       (D)       multidimensional database




90.    The retrieval of audio and Videotypes of data has the requirement that data delivery must
                                             ,
       proceed at a guaranteed steady state, .such data. are called some times

      .~isochronous           data

       (B)       discrete data.

          (C)    multimedia data

          (D)    non continuous media data




91.    A traveller's information system that provides data on hotels, roadside service and the like

       to motorist. What type of queries is suitable for processing such type of information?

          (A)    Range of queries

      ~          location-dependent queries

          (C)    hybrid queries

          (D)    fixed queries


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.   "




        92.,       Main ()

               ,   {

                   int arr [ ] = {1O, 20, 30, 40};!

                   int * ptr;                                                     !

                   ptr = arr;

                   printf (Uu % dU, , * (arr + 2) ;

                   }

                   What is the output in C?


                   (A)     20                                         (B)    40

                   ~30                                                (D)    10




        93.        Choose the data types with size in order. '

                   (a)    short int                   1.    1


                   (b)    long int                    2.    2

               , .(c)     signed char                 3.    8

                   (d) , double                       4.    4




                          (a)         (b)    (c)      (d)

                    (A)   3           1      4        2



                   ""2
                    (C) 3
                                      4

                                     .4
                                            'I

                                             ~,
                                                      3

                                                      2
                                                                            .•
                    (D) 2             1      4        3


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94.    In an 8051 programming, given below, find the data stored in A register and over flow flag
       after addition operation.

       MOV A, # 80 H

       ADDA,#81     H

       (A)    FF and 01                                ~         01andOI

       (C)    FF and 0                                     (D) .01 and 0




95.   . The 8 KB EPROM is interfaced with 8085. Calculate the number of address lines needed and
       the range of memory address.

      (A)     13, 0000 to OFFFH                        £         13, 0000 to lr;FFH

       (C)    12, 0000 to OFFFH                            (D)   12, 0000 to IFFFH .




96.    LDR r4, [r 5,#9] instruction is used to

       (A)    save data in r4 to address pointed by r5 - 9

      ..IJIIf"'" load r4 with data pointed by r5 + 9
       (C)    load r4 with data pointed by r5 - 9

       (D)    save data in r4 to address pointed r5 + 9




97.    The method that returns the value of the initialization parameter

        (A)   getservlet context ( )                   .,III!f" getinit ( )
        (C)   getservlet name ( )                          (D) . getservlet config ( )


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98.    A -------                     is one where the cloud has been organized          to serve a common function

              or purpose.

                            .   "




              (A)     brand cloud                                  ~         community     cloud


              (C)     need cloud                                       (D)   section cloud




       99.    Which of the following is a standard         for interoperable      cloud based key management?


                                                                       (B)   PMIK


              (C)     AIMK                                             (D)   SIMP




       100.   Which of the following is the simplest         unmanaged       cloud storage device?'

~
'.,'          ¥       file transfer   utility                         "(B)   antivirus   utility


              (C)     onl.ine"image utility                            (D)   storage utility




       101.   In RSA algorithm        ifp    = 17, q = 11 and d = 23. What is the plain text for the cipher text 11?

              (A)     86                                               (B)   96


              ¥88                                                      (D)   98
                                                                                                      "   .
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102.    Which of the following are advantages of large value of Kin K-NN algorithm?
                                                                                                 /
         (A)       Less sensitive to noise

         (B)       Better probability estimates for discrete classes
                                                               ..
         (C)       Larger t.raining sets allow larger value of K                                     \




        .¥'        All the above




103.     What is the sequence of steps followed in training a.perceptron?

         (i)       for a sample input, compute an output

         (ii)      initialize weights of perceptro? randomly

         (iii) go to next batch of dataset

         (iv) If the prediction does not match the output change the weight

        v/.         (ii), (i), (iv), (iii)                   (B) .. (i), (ii), (iii), (iv)


             (C)    (i), (iv), (iii), (ii)                   (D)    (ii), (iii), (iv), (i)




 104.        Which of the following statement is true about different types of learning?

       .'~          Single linkage suffers from chaining

             (B)    Average linkage suffers from chaining'

             (C)    Complete linkage suffers from chaining

             (D)    None of the above



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'105. ,Fundamental activities common to all software process are

             (A)       analysis, coding, testing
•
             (B)       implementation, verification, delivery

              (C)      emergence, transformation, 'maintenance, delivery

             ¥'        specification, ~esign ana implementation, validation, evolution




     106.    What is CASE?

             ~         Software systems intended to provide automated support' for software process
                       activities

                 (B)   Computer hardware assisting software process activities

                 (C)   Software systems to activate system equipm~nts

                 (D)   Connectivity aids for software process activities




    '107.        One of the advantages of using the "Lines of Code" metric is that

                 (A)   it is programming language dependent

                 (B) ,it does not accommodate non-procedural language

                 (C)   it is poor software design may lead to exces'siveand unnecessary lines of code

             # it is simple to measure


      108.       The lMAP server listens to port
                 (A)   142                                      ~143

                 (C)   124                                       (D)   123




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109.   A JFET has loss = 32 rnA, Vas (oll) = -8V, Vas = -4.5 V. The value of drain current is

       (A)   6.012 rnA
                                                       """"    6.12   rnA                           •
       (C)   61.2 rnA                                   (D)    0.612 rnA




110.   The dynamic resistance of a pn junction diode that has '1 = 1, VT =25. rnV and forward
       current of 2 rnA is

       (A)    100                                      ~12.50

       (C)    1.25 0                                    (D)    1000




111.   In the circuit shown in Fig. as Is increases the VCE.



                                                    R
                                                   ~      Ie

                                                 VCE               VCC




       (A)   increases                                 ...fIIf'decreases

       (C)    constant                                  (D) independent ofIs




112.   -------creates              a new node and --------                  destroys a node.

       (A)    next node, real node                       (B)   free node, get node

       (C)    avail node, next node                    $       get node, free node


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113.   The characteristic equation ofT-Flip flop is

       (A)     Q(t + 1) = T                                 (B)   Q(t + 1) = Q(/) + T


       (C)     Q (I + 1) = Q (I) 0 T                    ~         Q (I + 1) = Q (I) $ T




114.   The transition probability matrix of a Markov chain {X,,},          n = I, 2,3'" having 3 states I, 2, 3

       is



       P=
             0.1    0.5
               0.6 0.2 0.2
                              0.4] and the initial distribution     IS   p(O) = (0.7, 0.2, 0.1).   The value of
             [
               0.3 0.4 0.3

       P{X2 =3} is




       (A)     0.25                                     '\/lIlt" 0.279

       (C)     0.297                                        (D)   0.2




115.   The random variable N has. probability mass function.


       PN(n) = {C(1I2)" , n = 0,1, 2
                       0, .       otherwise

       The value of the constant C is

       (A)    4/5                                           (B)   3/5

       (C)    2/7                                       ~/7




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116.   In file system mounting, a mount point is

       (A)        full content directory

       .¥         empty directory

       (C)        new directory to be created

       (D)        not a directory




117.   Consider the following 4 processes, with the length of the CPU-burst time gwen In

        milliseconds. What will be the average waiting time, if the processes are scheduled using

        pre-emptive SJF scheduling algorithm.


                  Processes           Arrival time       Burst time


                  P,              >       0          >     8


                  P2              >       1          >     4


                            .•.
                  P3              >       2          >     9



                  P4              >       3          >     5




        (A)        6.0 milliseconds


       .~          6.5 milliseconds


            (C)        7.5 milliseconds


            (D)        7.75 milliseconds




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118,     FLWOR (for, let, where, order by and return)     expressionsis     represented   in

         (A)      SQL query                             .JjI/f X query'
         (C)      'PUSQL                                  (D)      JAVA' language




119.     Choose the dynamic memory allocation       function with statement


         (a)      Malloc                   1.    Alters the size of allotted   memory


         (b)      Calloc                   2.    Released the allotted    memory    .


         (c)      Free                     3.    Allocates block of memory


         (d)      Realloc                  4.    Allocates memory




                  (a)       (b)      (c)   (d)


          (A)     3         2        4     1


          (B)     3         4        2     1


         ~4                 3        2     1


          (D) 4             2        3     '1

     •




 120.     What is the output of the following statement      in C?

          int x = 10, y = 15;

          large    = (x > y) ? x ; y ;
          printf ("%d ", large) ;
                                                                                                 ,
          (A)         10                                  ~15

          (C)         25                                     (D)     5


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121.      Private data are accessible to
                                                                                                  .'
          (A), objects directly

        -..,JJJI!" objects through public member functions
          (C) main function

          (D) inline function




122.      In the multiple 'catch' statement, the number of the 'throw' statement is

         ¥ same as the catch statement
          (B)    twice the catch statement

          (C)    only one throw statement

          (D)    one half of the number of catch statement




.123.     Which of the following component is not used to act as a input/output stream in Java?

          (A)    file                                   """        class

          (C)    a pIpe                                    (D)     array of bytes




124.      Select the correct template definition

         4       template <class T>                          (B)   class <template>

          (C)    template <T>                                (D)   template class <T>




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125.     <!DOCTYPE= rss

                 system ''http://sample.com/publish/formats/rss        - 0.91. d + d>"

                 <rss version = "0.91">

                 This script is an exampl.e of

                 (A)        XHTML                                     (B)    HTML5

                ~'          CSS Feed XML                              (D)    CSS 3




        126.     The method the return substring of string' started at given location

                $ slice (Number, Number)                              (J3) Concat (String)

                 (C)        Charat (Number)                           (D)    Replace (String)




        127.         The file that allows a user to specify a value for the cookie

                ~            addcookie                                (B)    addservlet
..
'


                     (C)     get~ookie                                (D)    getattribute

                                                             •




         128.        -------is                a virtual machine technology presently owned by'Oracle that can run

                     various operating systems.
,   ;


                     (A)     v machines                            ~irtualbox

                     (C)     thought police                            (D)   virtual share
,   ,




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129.   Which of the following is not present in Authentication header?

       (A)       payload length                         (B)   sequence number

       (C)       security parameters index           ~checksum
                                                                                                        "




130.   Which of the following is correct in PGP services?

        (A)      digital signature - RSAfSHA; Email compatibility -'-Radix 8 conversion

        (B)      digital signature - DSS/SHA ; Email compatibility - Radix 16 conversion

        (C)      digital signature - RSAfSHA; Email compatibility - Radix 32 conversion

       ¥         digital signature - DSS/SHA ; Email compatibility - Radix 64 conversion




131.    In Diffie Hellman key exchange, if q = 353 ; a = 3; XA = 97 and XB = 233. (XA      and XB are
        secret keys of user A and user B respectively) what is the public key of user B.

        (A)      40                                     ~48

        (C)      160                                    (D)   50'




132.. What would be the ideal complexity of the cur,,:ewhich can be used for separating the two
        classes in the image below?



                                        **
                                      * o* *
       /linear                                          (B). quadratic

        (C)      cubic                                  (D)   insufficient data



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•

133.    Hadoop runs on large clusters of

       ~          Commodity machines                     (B)      Storage


           (C)    Slave                                     (D)   Files




134.       Association rule mining is a

            (A)   Static and dynamic.technique

       .~         Dataanalysis and data mining technique


            (C)   Fast and slow technique

            (D)   Consequent and clustering technique




135.        Name .Node uses -------              to store file system namespace .

            (A)   as Image                               ..,;;t(' FS Image.
            (C)   SS Image                                  (D)   DS Image




136.        Eventually consistency is a ~onsistency model used in distributed computing to achieve high .


        ../       Availability                              (B)    Storage

            (C)    Fetching                                 (D)    Process




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137.             -------             internet serVice providers provide direct service to the end users   III
                                                                                                                •
       internet.


       (A)           International                              (B)   National


           (C)       Regional                                ~Local




138.       In                           ethernet, the MAC sublayer governs the operation of the access

           method.


           (A)       Fast                                       (B)   Gigabit


       ~             Standard                                   (D) Ten-gigabit




139.       --------~               traffic isgiven the highest priority in IPV6 packet.


           (A)       Attended data                              (B)   Unattended data


           (C)       Interactive                            .~Control




140.       Which OSPF message is.used to discover who the neighbors are?


           (A)       Link sta te update                         (B) .Database description


           (C)       Link state request.                    ...,jJII(' He 110
                                                                                                                ,-



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SPACE FOR ROUGH WORK




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.   .

SPACE FOR ROUGH WORK




                       ,.




          40                1
Page 1 of 40

Source: Tamil Nadu Public Service Commission. Question paper published by Tamil Nadu Public Service Commission.