Which of the following statements are correct about an array? 1. The array int num[26]; can store 26 elements 2. The expression num[1] designates the very first element in the array 3. It is necessary to initialize the array at the time of declaration. 4. The declaration num[SIZE] is allowed if SIZE is a macro.

What will be output of following program? #include #include void main() { int i = 5; int *p; p = &i; printf(" %u %u", *&p , &*p); getch(); }

What will be output of following program? #include #include #include int main() { char *ptr1 = NULL; char *ptr2 = 0; printf("\n%d", ptr2); strcpy(ptr1, "c"); strcpy(ptr2, "questions"); printf("\n%s %s", ptr1, ptr2); getch(); }

What is output of following code? void main() { int i = 400; int *ptr = &i; *++ptr = 2; printf("%d %d", i, *ptr); getch(); }

What is output of code? void main() { int x = 5; const int* p; p = &x; x++; *p = 4; printf("%d", *p); getch(); }

The library function used to find the last occurrence of a character in a string is

What does the following declaration mean? int (*ptr)[10];

What is output? (assuming that the array begins at the location 1002 and size of an integer is 4 bytes) #include #include int main() { int a[3][4] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 }; printf("%u, %u, %u\n", a[0]+1, *(a[0]+1), *(*(a+0)+1)); getch(); }