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 Solved Paper
CDAC Paper - 2006 - Part 2
CDAC Paper - 2006 - Part 2
21. The statement that prints out the character set from A-Z, is
for( a = `z`; a &lt; `a`; a = a - 1)
printf("%c", &a);
for( a = `a`; a &lt;= `z`; a = a + 1
printf("%c", &a);
for( a = `A`; a &lt;= `Z`; a = a + 1)&lt;----Ans printf("%c", a);
for( a = `Z`; a &lt;= `A`; a = a + 1)
printf("%c", a);

22. The statement which prints out the values 1 to 10 on separate lines, is
for( count = 1; count &lt;= 10; count = count + 1) printf("%d\n",count);
for( count = 1; count &lt; 10; count = count + 1) printf("%d\n",count);&lt;------ans
for( count = 0; count &lt;= 9; count = count + 1) printf("%d ",count);
for( count = 1; count &lt;&gt; 10; count = count + 1) printf("%d\n",count);

23. What does the term `call-by-reference` refer to?
Passing a copy of a variable into a function. Passing a pointer to a variable into a function. &lt;------ans
Choosing a random value for a variable.
A function that does not return any values.

24. What is the output of the following code? #include
void swap(int&, int&);
void main()
{
int a = 10,b=20;
swap (a++,b++);
printf("\n%d\t%d\t",a, b);
}
void swap(int& x, int& y)
{
x+=2;
y+=3;
}
14, 24
11, 21 &lt;------ans
10, 20
Error

25. What is the output of the following program code

#include
void abc(int a[])
{
a++;
a[1]=612;
}
main()
{
char a[5];
abc(a);
printf("%d",a[4]);
}
100
612
Error&lt;------ans
None of these options

26. which of the following is true about recursive function
i. it is also called circular definition
ii. it occurs when a function calls another function more than once
iii. it occurs when a statement within the function calls the function itself

iv. a recursive function cannot have a return statement within it"
i and iii&lt;------ans
i and ii
ii and iv
i, iii and iv

27.What will happen if you assign a value to an element of an array whose subscript exceeds the size of the array?
The element will be set to 0
Nothing, its done all the time
Other data may be overwritten
Error message from the compiler

28. What is the output of the following code? #include
void main()
{
int arr[2][3][2]={{{2,4},{7,8},{3,4},}, {{2,2},{2,3},{3,4}, }}; printf("\n%d",**(*arr+1)+2+7);
}
16 &lt;------ans
7
11
Error

29. If int s[5] is a one dimensional array of integers, which of the following refers to the third element in the array?
*( s + 2 ) &lt;------ans
*( s + 3 )
s + 3
s + 2

30. #include"stdio.h"
main()
{
int *p1,i=25;
void *p2;
p1=&i;
p2=&i;
p1=p2;
p2=p1;
printf("%d",i);
}
The output of the above code is :
Program will not compile &lt;------ans
25
Garbage value

31. What is the output of the following code? void main()
{
int i = 100, j = 200;
const int *p=&i;
p = &j;
printf("%d",*p);
}
100
200 &lt;------ans
300
None of the above

32. void main()
{
int i=3;
int *j=&i;
clrscr();
printf("%d%d",++*j,*(&i));
}
What is the output of this program?
3 3
4 3 &lt;------ans
Error:Lvalue required

33. What is the output of the following code? #include
void main()
{
int arr[] = {10,20,30,40,50};
int *ptr = arr;
printf("\n %d\t%d\t",*ptr++,*ptr);
}
10 20
10 10&lt;------ans
20 20
20 10

34. Which of these are reasons for using pointers?
1.To manipulate parts of an array
2.To refer to keywords such as for and if
3.To return more than one value from a function 4.To refer to particular programs more conveniently
1 & 3 &lt;------ans
Only 1
Only 3
All of the above

35. struct num
{
int no;
char name[25];
};
void main()
{
struct num n1[]={{25,"rose"},{20,"gulmohar"}, {8,"geranium"},{11,"dahalia"}};
printf("%d%d" ,n1[2].no,(*&n1+2)-&gt;no+1);
}
What is the output of this program?
8 8
8 9 &lt;------ans
9 8
8 , unpredictable

36. During initializing a union

Only one member can be initialised.
All the members will be initialised. Initialisation of a union is not possible.&lt;------ans
None of these options

37. Self referential structure is one
a. Consisting the structure in the parent structure
b. Consisting the pointer of the structure in the parent structure
Only a
Only b
Both a and b
Neither a nor b

38. Individual structure member can be initialized in the structure itself
True
False
Compiler dependent
None of these options

39. Which of the following is the feature of stack?
All operations are at one end
It cannot reuse its memory
All elements are of different data types
Any element can be accessed from it directly&lt;------ans

40. When stacks are created
Are initially empty&lt;------ans
Are initialized to zero
Are considered full
None of these options

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