the answer would be ship collision
The design of the software is covered by copy right unless it is open sourced or is a very common interface. They would need to come up with their own design and way of solving the problem to have a solution that was not copyrighted.
Input, output, dan prosess
Answer:
I think servers and networks.
Since you did not specify a language i am assuming C
void x10(int n){
printf("%d \n",n*10);
return;
}