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(Paper) ALUMNUS??Placement Paper Pattern

Submitted by admin on Wed, 2008-05-07 12:57

ALUMNUS Placement Paper Pattern :

1. Find the locus of the point whose sum of distance from 2 fixed points is constant.

2. [-infinity to +infinity]integration(exp(-x*x))

3. The product of any 3 consecutive nos is always divisible by _ ? options[12/6/10/24]

4 int i=0,j=50
     while (i<j)
            {
             if(<some condtn>)
               {
                 <body of the loop>
                 i++
              }
            elseif(<some condtn>)
             {   <body of the loop>
                  j--
              }
          else(<some condtn>)
           {<body of the loop>
             j--
           }
          }

How many times the body of the loopis going to be executed? options [unknown/25/50/depends on the given condtn]

5 How can you include a library code written in C++ in a source code written in C? (Options are there)
Ans. Some cross-linked platform(compiler) is required for this.

6    int a[20],i
      for(i=0;i<20;i++)
         {
          a[i]=i;
         }
         for(i=0;i<20;i++)
          {
            a[i]=a[20-i]
         }
        What is the final content of the program.

7 Which data structure should be used for searching an element in an array in constant time in case of average case?
Ans. Hash table(not sure)

8     One question on ISO OSI model.easy one(not remembered)

9     Another question abt. a protocol
Ans. Token/Ring

10    If we want to connect two systems to form a network which leyer(OSI) is of most interest to us?
        Ans. Physical layer.

When compiled from command line what are linking options?

2     You have written a code in C++, and u have to use a C library , what would u do?
       (Ans: write extern "c" in header files)

3     Fiber optic backbone is in which OSI layer?

4     void main()
          {
            int x=1;
            int y=1;
            int i;
            for(i=2;i<=100;i++)
              {
               x=x+i;y=y*(i+1)/(i-1);
               }
      What are the values of x & y?

5    If we carry out operation (-3)+(-6),then which of the what will be the value of carry and sign flag?

6    void abc(int a[])
        {
           int k=0;int j=50;
          while(k<j)
         {
         if(a[i]>a[j])
          k++;
          else
          j--;
        }
        How many times the loop will occur?

7     Integrate e^(x^-2)dx , with limits -infinity to +infinity?What is the final value?

8     Let p be a 16 bit number.The 2's complement of p will be represented by?

9     void main()
            {
           int a[]={5,4,3,2,1};
           int x,y;
           int *p=&a[2];
           *p++;
           x=++*p;
           y=*(p++);
           printf("%d %d",x,y)'
          }
         What will be the value of x and y?

10     Let there be a set of 3 numbers.Then number of groups possible?

11     A question on some technique used in DA-converter?

12     Which data structure to use for fastest search?

13     A binary tree contains 1024 elements.What is maximum number of comparisons needed to search an element?

14     s=1-1/4+1/16-1/32...... What is the value of S?(Ans = 0.8 Hint Its a GP)

15     A C++ class has multiple references to base class.Then some options were given?

16     for(i=0;i<20;i++)
         {
           a[i]=i;

         }
           for(i=0;i<20;i++)
        {
           a[i]=a[19-i];
         }
        What is final value of array a? Options were there.

17    In Java can a variable be initilised inside a loop?

18    Two dices are thrown.What is the probality that the the number on the first dice is greater or equal to number on the second dice?