Future Soft
Future Soft Sample Test Paper
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
Find the expression representing the following K-map
1 1 1
1 1
1 1 1
For the POS form of the expression given below
_ _ _
X.Y.Z + X.Y.Z + X.( Y + Z )
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)
The binary equivalent of 3B7F is
Ans. 0011 1011 0111 1111
The register used by the shift reduce passing method is
Ans. Stack
A microprogram can be defines as to consist of
Ans. A primitive operation
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[i][j]);
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[i]);
printf("%d", sum);
}
func(int x)
{
int val,x;
val = 2;
return(x+ val++);
}
Given the following data:
Process P1 takes 2 seconds
Process P2 takes 3 seconds
Process P3 takes 4 seconds
Process P4 takes 1 second
Process P5 takes 6 seconds
Find the average time in case of shortest job first (SJF) scheduling.
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
Inversion of a matrix will take which of the following time complexities?
(a) O(n)
(b) O(n²)
(c) O(log n)
(d) O(n³)
(e) None of these
A drum rotates at 4000 rpm. What is its average access time.
What range of integral values can be stored using 32 bits?
Where are the following variables stored
Automatic
Global
Static
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
What is the greatest disadvantage of dynamic RAM over static RAM
Ans. High Power and need to refresh every 2 ms.
What happens when the CPU gets interrupted?
Find the Postfix of the following string
(a + b) * ((-d) *f (ab - cd))
E --> E + E| E * E | E/E | E - E| .... then which is correct
(a) It is ambigous
(b) It is inherently ambigous
(c) It is non inherently ambigous
(d) None of the above
If there are n nodes and K edges in a graph then what is the order of traversing
Ans. O(n²)
A graph is represented as an adjacency list with n vertices and e edges
What is its time complexity
Ans. O(n + e)
An array with address KV[a] had n elements. Which of the following correctly addresses the ith element of the array.
(a) KV(a) - 2a + 2i
(b) KV(a) +2i
(c) KV(a) - 2a
(d) None of these
Give an example of a primitive instruction in microprocessors.
A computer has 8 bit data bus and 16 bit address line. How many machine cycles will it take to store the contents to a memory location?
Where is a variable defined in a function stores?
Ans. Process Swappable Area
For the following C progralm
int d=0;
for(int i=0;i<31;i++)
for(int j=0;j<31;j++)
for(int k=0;k<31;k++)
if (((i+j+k) % 3)==0)
d=d+1;
Find value of d
e= | | <(e)> |
What forms do the expressions created by the above definition fit in
Ans. All arithematic expressions
If a set of numbers are in sorted order then which of the following sorting method is best
Ans. Bubble Sort
A magnetic tape is similar to which of the following structures
Ans. List
The s/n id 3 dB Find the capacity of the line.
No votes yet
1.Some palindrome
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[i][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[i]);
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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