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1. The grammer for A, B, S is given below.
S->Ax|By
A->Ax|y
B->x|y
possible ans is xy|xy 
2. In n*n matrix , there non zero numbers in diagonal and 
either side
of the diagonal. If represented in one dimensional array, 
assign the
values which are non zeros.
find relation with i,j iteration and linear arry
like a[2*(i-1)+j] this 
the matrix will be
x x 0 0 0 0 --------
x x x 0 0 0 0 -----
0 x x x 0 0 0  ------
0 0 x x x 0 0  -------
0 0 0 x x x 0 0 ----
| | | | | | | | |
| | | | | | | | | 
remumber n*n matrix
3. In-order of the letters is given as below:
If written in pre-order like given below:
write the post-order:
4. fun(n)
   {
    if(n<=2)
    return (1);
    else 
     return ((fun(n-1)*fun(n-2));
     }
find the order of complexity of the programme.
possible answer ---- N(2^n)
5. 


6. If a and b are given. write the results of the programme 
given below. 
  a=a XOR b;
  b=a XOR b;
  a= a XOR b;
answer is  swaping of a and b
 so b,a is answer
7.
8.for a given CMOS the voltage is halved
 freqency doubled
 capacitance halved
what is the present CMOS power
ans (b)----   dynamic power is 1/2 *C*f*V^2
9.if a row daminated two dimentional arry in the following 
which one is advantage
and why?
a) for(i=0;i<1000;i++)
     for(j=0;j<1000;j++)
           temp=temp+a[i][j];
b) for(j=0;j<1000;j++)
    for(i=0;i<1000;i++)
         temp=temp+a[i][j]
I donot know ans
10. what is area of a Hexagon with side as 1unit
ans is 3*(sqrt(3))/2


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11. If traverse in a chess board right and down from one 
corner to  another corner
 how many possible ways will be there
ans is C(16,8) or (16!/(8!*8!))
12. Tick the below which can biparate (graph theory)
1)tree 2)forest of trees 3) evencycle graph 4) oddcycle 
graph 
ans is 1,2,3
13.The fig shown in below is a SRAM (1K* 4 bits) ,how many 
of this SRAMS are
reqired to design 16K of one byte 
ans is  32 SRAMS and one 4 to 16 decoder
14. suppose two persons entering into one room in the 
morning 5 to 6 A.M. 
what is the probability they will enter in 10 minits gap.
 I donot know this answer
15. In a binary tree what is the hight and lowest no of 
levels for N nodes.
ans is  highest is N and lowest is log(N+1) base 2  
16.represent 3 and -3 in base -2 form taking two states 
(0,1) only
i do not know the ans 
OTHER 5 QUESTIONS FROM SORTING TECHNICS SO PLEASE GO 
THROUGH SORTING TECHNICS .
OTHE 5 QUESTIONS FROM FLIP-FLOP DELAYS EXAMPLE
1. THERE IS ONE LOOKAHEAD ADDER IS THERE ONLY TWO STAGES IT 
GIVES CARRY AHEAD WHAT IS
 THE TOTAL DELY IF IT IS 8 BIT ADDER.
2. WHAT IS PROPAGATION DELAY TIME FOR RING COUNTER.
B        
3 OB. WHAT IS MAX FREQENCY FOR SOME COUNTER SO PLESE CHECK 
COUNTES AND FLIP-FLOPS



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