Answer:
#include <stdio.h>
void main()
{
int num;
printf("Input a number :");
scanf("%d", &num);
if (num >= 0)
printf("%d is a positive number \n", num);
else
printf("%d is a negative number \n", num);
}
Explanation:
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Alan Turing fathered the machines we now lovingly call computers, however it was Nicola Tesla that birthed the idea of a world-wide wireless system.