C Programming Quiz

1. What will be output for the following code?

#include <stdio.h>
int main(int argc, char *argv[])
{
    while (*argv  !=  NULL)
        printf(""%s
"", *(argv++));
    return 0;
}

./a.out
Segmentation fault/code crash
Depends on the platform
Depends on the compiler

2. What will be output for the folowing code?

2 1
0 0
3 2
Compilation error

3. What will be output for the following code?

#include<stdio.h> 
int main() 
{ 
    int x = 10;    
    char y = 'a'; 
    x = x + y; 
     
    float z = x + 1.0; 
  
    printf(""x = %d, z = %f"", x, z); 
    return 0; 
} 

x = 107, z = 108.00
x = 107, z = 108.0000
x = 107, z = 108.000000
x = 108, z = 108.000000

4. Switch statement accepts.

int
char
long
All of the above

5. Iteration requires more system memory than recursion.

TRUE
FALSE
Can be true or false
Can not Say

6. Which statment is true about the given code ?

#include <stdio.h>
#include  <stdlib.h>
int main()
{
    int *a[5];
    a = (int*) malloc(sizeof(int)*5);
    free(a);
    return 0;
}

Error: unable to allocate memory
Error: We cannot store address of allocated memory in a
Error: unable to free memory
No error

7. What will be the size of the following structure?

		   
struct demo{
  int a;
  char b;
  float c;
}

12
8
10
9

8. What is the output of this program?

void main()
{
   printf("%x",-1<<4);
}

fff0
fff1
fff2
fff3

9. Which of the following true about FILE *fp

FILE is a keyword in C for representing files and fp is a variable of FILE type.
FILE is a stream
FILE is a buffered stream
FILE is a structure and fp is a pointer to the structure of FILE type

10. What is the output of this program ?

#include <stdio.h>
int main()
{
  char *ptr = "Hello World";
  printf(ptr+2);
   return 0;
} 

pointer cannot be initialized
lo World
Runtime error
llo World