Ikanos Whole Testpaper

Ikanos - Sample Questions 

There were three sections:

1. Software

2. Hardware

3. Analytical

  Only one MCQ question; all others to be solved analytically. 

1.) Each of the letters below represents a non-zero and unique digit.

    Find
the digit.

     one  
     one  
     one  
    +one  
    -----  
     ten  

Find the digits.  
Ans( one = 182 , ten=728).

2. Calculate the maximum permissible propagation delay of each FF in a
modulo 1023 counter.

3. Find the error if any -  
{

struct *sPtr, *nPtr

for(;*nPtr;nPtr=nPtr->next)

    free(nPtr);

}

4. Find the output -  
  main()  
{ void f(int, int);

   int i, j;

   i=10;

   j=10;

   f(++i,j++);

}

void f(int i, int j)

{if(i>50)return;

  else

   i+=j;

  f(i,j);

  printf("%d",i);

  } 

Ans 413121

5. Implement the following using 4X1 MUX.

   A'BC + AB'C +ABC'    

6. How will you convert an S-R FF into J-K FF ?