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FUTURESOFT-Placement Paper-2003

Campus - Velammal College of Engg.
These are the questions that i remember!

1.Some palindrome question.the answer was (c)

2.Capacity of line…ans was 900

3. Number of null pointers in any binary tree = n+1

4. print (Head(T))
Traverse(left(T))
print (Head(T))
Traverse(right(T)) - ans: none of the above

5. Boolean expn Evalvate

6. Common subexpn : - ans : a + e

7. LRU : 1, 2, 3.

8. Tr. Delay - 10000 bits ans. 10.01

9. Grammar of Number of shift / reduce operator : ans. 4

10. CPU scheduling 9,8 ?

11. S –> AB|AS
A –> a|aA
B –> b
What is the grammer accepted by the above?
Ans. aa*b

13. allocation ans: (ii) only

14. swapping : ans: reference only

15. Compiler - related Qn.

16. LAN frames - ? related Qn.

17. parameter passing (35,20)

18. sliding window protocol
- BUFFER SIZE large

19. kernel mode - deallocate resource

20. logic circuit
ans . Minimum OR = 3

20. Combinatorics related

21. priority scheduling

22. cobegin
begin x = y; x= x+1; y= x
begin x =y; z= z+1; y= z
coend

ans. Number of values possi = 2

23. 2 bits flip / 2 bits exchange

ans : the word with one ‘1′

24. any addr
K^+ v(a) + 2I - 2a

25. S –> AB|AS
A –> a|aA
B –> b
What is the grammer accepted by the above?
Ans. aa*b

How many address lines are needed to address a 64Kb segment with
each register storing upto 512 bytes.
Ans. 14 address lines

Form the POS form of the expression given below
_ _ _
X.Y.Z + X.Y.Z + X.( Y + Z )

22.In a computer system the ROM :
(a) contains boot software
(b) is permanent
(c) Both of the above
(d) None of the above
Ans. (c)

23. Find the output for the following C program
int array[4][4] = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16};
for (i=2;i<0;i--)
for (j=2;j<=0;j--)
printf("%d", arr[j]);

24. Find the output for the following C program
#include
void main()
{int i,x,sum=0;
int arr[6]=[1,2,3,4,5,6]
for (i=0;i<4;i++)
sum+ = func(arr);
printf("%d", sum);
}
func(int x)
{ int val,x;
val = 2;
return(x+ val++);
}

25. Given a string STOCK and a stack of size 4.
Which of the following strings cannot be generated using this stack.
(a) TSOCK
(b) TOSKC
(c) STOCK
(d) TKOSC
(e) None of these

26. What range of integral values can be stored using 32 bits?
17. If a layer 4 transfers data at the rate of 3000 bytes/sec. What will be the size of data block transferred by Layer 2

2. If there are n nodes and K edges in a graph then what is the order of traversing
Ans. O(n square)

23. A graph is represented as an adjacency list with n vertices and e edges
29. e= | | <(e)> |
What forms do the expressions created by the above definition fit in
Ans. All arithematic expressions
32. The s/n id 3 dB Find the capacity of the line.
 

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