C LANGUAGE PROGRAMS

C LANGUAGE PROGRAMS

1. What is the output of the program given below
#include
main()
{
char i=0;
for(;i>=0;i++) ;
printf("%d\n",i);
}
2. What is the output of the following program
#include
main()
{
int i=0;
fork();
printf("%d",i++);
fork();
printf("%d",i++);
fork();
wait();
}
3. What is the memory allocated by the following definition ?
int (*x)[10];
4. What is the memory allocated by the following definition ?
int (*x)();
5. In the following program segment
#include
main()
{
int a=2;
int b=9;
int c=1;
while(b)
{
if(odd(b))
c=c*a;
a=a*a;
b=b/2;
}
printf("%d\n",c);
}
How many times is c=c*a calculated?
6. In the program segment in question 5 what is the value of a at the end of the
whileloop?

7. What is the output for the program given below
typedef enum grade{GOOD,BAD,WORST,}BAD;
main()
{
BAD g1;
g1=1;
printf("%d",g1);
}
8. Give the output for the following program.
#define STYLE1 char
main()
{
typedef char STYLE2;
STYLE1 x;
STYLE2 y;
clrscr();
x=255;
y=255;
printf("%d %d\n",x,y);
}
9. Give the output for the following program segment.
#ifdef TRUE
int I=0;
#endif
main()
{
int j=0;
printf("%d %d\n",i,j);
}
10. In the following program
#include
main()
{
char *pDestn,*pSource="I Love You Daddy";
pDestn=malloc(strlen(pSource));
strcpy(pDestn,pSource);
printf("%s",pDestn);
free(pDestn);
}
(a)Free() fails (b)Strcpy() fails (c)prints I love You Daddy (d)error






11. What is the output for the following program
#include
main()
{
char a[5][5],flag;
a[0][0]='A';
flag=((a==*a)&&(*a==a[0]));
printf("%d\n",flag);
}


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Micro processor questions

Future Software PAPERS

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

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

3. Find the expression representing the following K-map
1 1 1
1 1
1 1 1

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

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

6. The binary equivalent of 3B7F is
Ans. 0011 1011 0111 1111

7. The register used by the shift reduce passing method is
Ans. Stack

8. A microprogram can be defines as to consist of
Ans. A primitive operation

9. 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 br="" i--="">for (j=2;j<=0;j--)
printf("%d", arr[i][j]);

10. 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 br="" i="">sum+ = func(arr[i]);
printf("%d", sum);
}
func(int x)
{ int val,x;
val = 2;
return(x+ val++);
}

11. 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.

12. 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

13. 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

14. A drum rotates at 4000 rpm. What is its average access time.

15. What range of integral values can be stored using 32 bits?

16. Where are the following variables stored
Automatic
Global
Static

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

18. What is the greatest disadvantage of dynamic RAM over static RAM
Ans. High Power and need to refresh every 2 ms.

19. What happens when the CPU gets interrupted?

20. Find the Postfix of the following string
(a + b) * ((-d) *f
(ab - cd))

21. E --> E + E| E * E | E/E | E - E| .... then which is correct
(a) It is ambiguous (b) It is inherently ambigous
(c) It is non inherently ambiguous (d) None of the above

22. If there are n nodes and K edges in a graph then what is the order of traversing
Ans. O(n²)

23. A graph is represented as an adjacency list with n vertices and e edges
What is its time complexity
Ans. O(n + e)

24. 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

25. Give an example of a primitive instruction in microprocessors.
26. 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?
27. Where is a variable defined in a function stores?
Ans. Process Swappable Area

28. For the following C progralm
int d=0;
for(int i=0;i<31 br="" i="">for(int j=0;j<31 br="" j="">for(int k=0;k<31 br="" k="">if (((i+j+k) % 3)==0)
d=d+1;
Find value of d

29. e= | | <(e)> |
What forms do the expressions created by the above definition fit in
Ans. All arithematic expressions

30. If a set of numbers are in sorted order then which of the following
sorting method is best
Ans. Bubble Sort

31. A magnetic tape is similar to which of the following structures
Ans. List

32. The s/n id 3 dB Find the capacity of the line.

Sonata Aptitude test

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Sonata Aptitude test

1. Last month of an year
(a) January (b) February
(c) December (d) November
2. Select the odd one
(a) January (b) February
(c) Wednesday (d) November
3. Select the antonym of capture from the following
(a) attack (b) Release
(c) condemn (d) None of the above
4. Find the antonym of autumn
(a) Spring (b) Winter (c) Summer (d) None
of the above
5. One skirt requires 3.75 yards of cloth. How many
skirts you can make
from 45 yards?
Ans: 12 skirts
6. How can you make a square from two triangles?
7. Is the meaning of Client and Customer,
(a) same (b) contradictory
(c) no relation
8. Is the meaning of It's and Its,
(a) same (b) contradictory
(c) no relation
9. Is the meaning of Canvas and Canvass,
(a) same (b) contradictory
(c) no relation
10. Is the meaning of Ingenious and Ingenuous,
(a) same (b) contradictory
(c) no relation

11. Is the meaning of Credible and Credulous,
(a) same (b) contradictory
(c) no relation
12. Select the odd one out.
(a) 1/4 (b) 1/3
(c) 1/6 (d) 1/18
13. Select the least from the following.
(a) 0.99 (b) 1
(c) 81 (d) 0.333
14. Find the next number in the series. 1, 0.5,
0.25,
0.125
Ans: 0.0625
15. One dollar is saved in one month. Then how much
dollar is saved in
one day?
Ans: 1/30 =0.0333$
16. Y catches 5 times more fishes than X. If total
number of fishes
caught by X and Y is 48, then number of fishes caught by X?
Ans: 8
17. Y catches 5 times more fishes than X. If total
number of fishes
caught by X and Y is 42, then number of fishes caught by X?
Ans: 7
18. If a train covers 600m in 0.5 seconds, how long
it will cover in 10
seconds?
Ans: 3000m = 3km
19. The girl's age is twice that of boy, if the
boy is four years old.
After four years the age
of the girl is
Ans: 12 years
20. Sister's age is twice than that of the brother.
If the brother's
age is six, what is the sister's age after two years?
Ans: 14 Yrs.
21. Two lemons cost 10 cents. Then one and a half
dozen cost
Ans: 90 cents
22. A clock is late by 1 minute 27 seconds in a
month. Then how much
will it be late in 1 day?
Ans: 2.9 seconds
23. Which of the following figures together will
make a triangle?
Ans: a,b,c,d
24. Make a square by drawing only one line
Ans: line 2-5, square 2-3-4-5-2
25. Which of the following is the odd one? crew,
constellation, companion, league, participants.
Ans: companion
26. Opposite of Remote?
(a) Far (b) Near
(c) Huge (d) Village
27. Statement A: All great men are ridiculous;
Statement B: I am ridiculous ;
Inference : I am a great man;
(a) True (b) False
(c) Not clear
28. Statement: Normal children are active;
Inference: All children are active;
(a) True (b) False
(c) Uncertain
29. Next number in the series 1, 1/2, 1/4, 1/8 ?
Ans: 1/16
30. In 6 seconds a light flashes once. In one hour
how many times it
will flash?
Ans: 601 times
31. At 20% discount, a cycle is sold at a selling
price of 2500 Rs.
What is the actual price?
Ans: Rs. 3125
32. Statement A: A & B have same age;
Statement B: B is younger than C;
Inference : A is younger than C;
(a) True (b) False
(c) Uncertain
33. All chickens lay eggs (True/False)
Ans: False
34. A invests $12000, B invests $8000, C invests
$6000 and they got a
profit of $1200. How much share A got more than B and C?
Ans: 2/13 and 3/13

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