Is it possible to allow round robin algorithm for scheduling

[b]Question asked by visitor Bala Prasath[/b]

consider the given scenario,two processes are submitted at the same time,each process get two value from user ,store in a file and using that value one process perform addition function and other perform divisiopn function.....but the condition is both the process use single file to store the values...

the question is, is it possible to allow round robin algorithm for scheduling, if so will the result will be correct? reply as soon as possible....plz make note of my id..