What is IPO?

Answer 1

Thank you so much

Answer 2

Quote:

The input–process–output (IPO) model is a widely used approach in systems analysis and software engineering for describing the structure of an information processing program or another process.

https://press.rebus.community/programmingfundamentals/chapter/input-process-output-model/

Answer 3

#include<stdio.n>
#include<conio.h>
void main()
{
int num;
clrscr();
printf("enter number")
scanf("%d",&num);
if(num<0)
printf("the number is negative");
printf("the volume of num is:%d\n",);
getch();
}