Answer Posted / karthika

#include<stdio.h>
#include<conio.h>
void main()
{
int num,i=2;
clrscr();
printf("\n entert a number");
scanf("%d",&num);
while(c<=num-1)
{
if(num%i==0)
{
printf("given number is not a prime number\n");
break;
}
i++;
}
if(i==num);
printf(given number is a prime number\n");
getch();
}

Explain what’s a signal? Explain what do I use signals for?

1053

---

Do you know the purpose of 'register' keyword?

968

---

What is maximum size of array in c?

991

---

What is volatile variable how do you declare it?

1026

---

How do you declare a variable that will hold string values?

1104

---

Write a C program to accept a matrix of any size. Find the frequency count of each element in the matrix and positions in which they appear in the matrix

1950

---

Write the Program to reverse a string using pointers.

968

---

How can I remove the trailing spaces from a string?

1025

---

What is sizeof in c?

954

---

What happens if you free a pointer twice?

1027

---

What are the benefits of organizational structure?

973

---

Explain the difference between the local variable and global variable in c?

1024

---

What is the difference between void main and main in c?

1096

---

main(){char *str;scanf("%s",str);printf("%s",str); }The error in the above program is: a) Variable 'str' is not initialised b) Format control for a string is not %s c) Parameter to scanf is passed by value. It should be an address d) none

1301

---

What is s or c?

1014

---