Answer Posted / balaji ganesh

#include<stdio.h>
#include<string.h>
void main()
{
char a[50];
int i,n;
clrscr();
printf("\n enter number:");
scanf("%s",a);
printf("reverse number is:");
for(i=strlen(a);i>=0;i--)
{
printf("%c",a[i]);
}
getch();
}

What is the significance of an algorithm to C programming?

585

---

What are the advantages of using new operator as compared to the function malloc ()?

746

---

What are extern variables in c?

539

---

what is the differnce between programing langauge and tool? is sas is a programing langauge r tool?

1891

---

What are pointers in C? Give an example where to illustrate their significance.

737

---

---

Why is c platform dependent?

609

---

What is page thrashing?

645

---

What is a built-in function in C?

782

---

What is a 'null pointer assignment' error? Explain what are bus errors, memory faults, and core dumps?

718

---

What is #include stdio h and #include conio h?

591

---

What is meant by errors and debugging?

639

---

a c code by using memory allocation for add ,multiply of sprase matrixes

2290

---

How do you determine whether to use a stream function or a low-level function?

636

---

What is the difference between text files and binary files?

667

---

What are different types of pointers?

554

---