Alumnus  Placement Paper   Technical - C & C++   -01 Jan 2011

Alumnus  Placement Paper   Technical - C & C++   -01 Jan 2011


  • Posted by  FreshersWorld 
    7 Jan, 2012

     

    Each question had 5 options.There were 25 question in all and all  were Objective Type. 

    1     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?

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