How can I tell if someone is using my computer?

How do I tell my computer to delete everything before I close out?

Is there a way to check when the last time my computer was turned on/used? Is there a log of some sort? I think a coworker ...

What I really mean is that if I have a playstation 3 can I also use it like a regular computer to go to the internet and stu...

Can I still use computer while spyware is running a survailance check?

Can I use the windowsxp disc I got with my computer on another computer?

Why do you stack a computer?

I dont know why this happen, but if im not typing and i just watching a movie on the computer it turn off by itself.If you kn...

Do I need a blue tooth adapter or can I just use the wireless internet adapter built in my computer and if so how do I set up...

Yeah. So can you attach someone else's ipod to charge it to your computer without changing the songs that are on it?

i have all the cables hooked in the back of the cpu but what software do i use???