# Ikanos Written Test Questions 20th November 2010

Posted on :26-04-2016

There were three sections:

1. Software
2. Hardware
3. Analytical

Q1. Implement the following using 4 x 1 MUX.

Q2. Calculate the maximum permissible propagation delay of each FF in a modulo 1023 counter.

Q3. How will you convert an S-R FF into J-K FF?

Q4. 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.

Q5. Find the output of the following program:

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

Q6. Find the error if any:

{
struct *sPtr, *nPtr
for(;*nPtr;nPtr=nPtr->next)
free(nPtr);
}

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