Placement Papers - Alumnus

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Alumnus Campus Placement Paper (Technical - C & C++)
Posted by :
Ragapriya
(27)
Paper: Alumnus Campus Placement Paper (Technical - C & C++)

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 initialized inside a loop?

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