Help a very simple software question?

Question

well watch p**n on different websites and it was a couples months ago around 5 and 2 weeks ago i have found out in my tracking cookies and now i have try to delete it with cc cleaner and i did. and it still haunt me so i delete it with computer program like cache, browsing history ,cookies,history,offline websites data,Authenticated session does it mean it out of my computer memory so people wont see what my bro did ?

Answer 1

1. It doesn't get in computer memory.

2. Yes all traces should be gone.