| Other C Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| write a program to arrange the contents of a 1D array in
ascending order | | 2 |
| f(char *p)
{
p=(char *)malloc(sizeof(6));
strcpy(p,"HELLO");
}
main()
{
char *p="BYE";
f(p)
printf("%s",p);
}
what is the output?
| Hughes | 6 |
| prototype of sine function. | Cadence | 2 |
| True or false: If you continuously increment a variable, it
will become negative?
1) True
2) False
3) It depends on the variable type
| | 4 |
| main()
{
int x=5;
printf("%d %d %d\n",x,x<<2,x>>2);
}
| CitiGroup | 3 |
| HOW DO YOU HANDLE EXCEPTIONS IN C?
| AppLabs | 2 |
| Look at the Code:
main()
{
int a[]={1,2,3},i;
for(i=0;i<3;i++)
{
printf("%d",*a);
a++;
}
}
Which Statement is/are True w.r.t the above code?
I.Executes Successfully & Prints the contents of the array
II.Gives the Error:Lvalue Required
III.The address of the array should not be changed
IV.None of the Above.
A)Only I B)Only II C)II & III D)IV
| Accenture | 2 |
| write a program to swap bits in a character and return the value
prototype of function
char fun (char a, charb flag c)
where fun returns a char, char a is a the value char b is
the bit to be changed and flag c is the bit value
for eg: x=fun(45,7,0)
since 45 is 0010 0101
and ow x should contain the value 65 (0110 0101) | Bosch | 1 |
| how does the for loop work actually..suppose for the
following program how it ll work plz explain to me
for(i=5;i>=0;i--)
prinf(i--); | RMSI | 13 |
| which of the following statements is incorrect
a.typedef struct new{
int n1;
char n2;
} DATA;
b.typedef struct {
int n3;
char *n4;
}ICE;
c.typedef union {
int n5;
float n6;
} UDT;
d.#typedef union {
int n7;
float n8;
} TUDAT;
| TCS | 5 |
| 1.what are local and global variables?
2.what is the scope of static variables?
3.what is the difference between static and global variables?
4.what are volatile variables?
5.what is the use of 'auto' keyword?
6.how do we make a global variable accessible across files?
Explain the extern keyword?
7.what is a function prototype?
8.what does keyword 'extern' mean in a function declaration?
| | 1 |
| pick out the odd one out of the following
a.malloc()
b.calloc()
c.free()
d.realloc()
| TCS | 1 |
| what is the difference between arrays and linked list | Tech-Mahindra | 7 |
| main()
{
printf(5+"Vidyarthi Computers");
} | | 5 |
| what is the stackpointer | | 2 |
| N O S I E R
+ A S T R A L
----------------
7 2 5 6 1 3 | Honeywell | 1 |
| read the folllowing code
# define MAX 100
# define MIN 100
....
....
if(x>MAX)
x=1;
else if(x<MIN)
x=-1;
x=50;
if the initial value of x=200,what is the vlaue after
executing this code?
a.200
b.1
c.-1
d.50
| TCS | 2 |
| What is Heap? | | 3 |
| WAP – represent a char in binary format
| Motorola | 4 |
| What is #pragma directive?how it is used in the program?
what is its advantages and disadvantages? | | 1 |
| |
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