Which of the following file opening modes in C is/are invalid?

Which of the following statements is/are correct?

Which of the following statements is/are correct?

What is the ASCII value of O (capital)?

Which of the following is/are invalid C keyword(s)?

Which of the following is/are not standard string function(s) of C library?

Which of the following statements is/are incorrect?

Which of the following operators are arranged from higher to lower priority in solving any particular expression?

Find the output of the above program or error, if any.

#include<stdio.h>

#include<conio.h>

int num(int);

int main()

{

int n=9,t;

t=num(n);

printf("\\n the result is %d",t);

getch();

}

int num(int m)

{

int f=0;

if(m==0)

return (f);

else

   {

f=f+m+num(m-1);

return (f);

   }

}

Which of the following statements about the above program is correct if we enter the number as 1111?

#include<stdio.h>

#include<conio.h>

#include<math.h>

#include<stdlib.h>

int main()

{

long n;

int x,y=0,p=0;

printf("enter number");

scanf(%d,&n);

while(n!=0)

   {

x=n%10;

if(x>1 || x<0)

      {

printf("invalid" );

exit(1);

      }

y=y+x*pow(2,p);

n=n/10;

p++;

   }

printf("answer is %d",y);

getch();

}

Find the output of the above program or error, if any.

#include<stdio.h>

#include<conio.h>

int main()

{

int a=8, b=2,c;

c=a^b;

printf(“the result is C=%d”,c);

getch();

}

Which of the following options shows the output or error of the above program?

#include<stdio.h>

#include<conio.h>

#define plus(x) x;

#define minus(x) --x + plus(x);

int main()

{

int x=8,y;

y=minus(x);

printf("y=%d",y);

getch();

}

Find the output of the program or error, if any.

#include<stdio.h>

#include<conio.h>

#include<math.h>

int main()

{

int f=1,l,i,x=4,y=4;

float s;

s=x;

for(i=2;i<=y;i+=2)

   {

f=1;

for(l=1;l<=i;l++)

f=f*l;

s=s+pow(x,i)/f;

   }

printf("\\n result is %f" ,s);

getch();

}

Find the output of the above program or error, if any.

#include<stdio.h>

#include<conio.h>

int main()

{

int a=4,b=8,c;

c=a | b;

printf(“the result is C=%d”,c);

getch();

}

If we enter the number as 1111, which of the following statements about the above program is/are correct?

#include

#include

#include

#include

int main()

{

long n;

int x,y=0,p=0;

printf("enter number");

scanf(%d,&n);

while(n!=0)

   {

x=n%10;

i f(x>1 || x<0)

      {

printf("invalid" );

exit(1);

      }

y=y+x*pow(2,p);

n=n/10;

p++;

   }

printf("answer is %d",y);

getch();

}