Prison or juvenile detention of course, its a violation
Testing ensures that all hardware and software components work together
Well, it is safe to turn a computer on without a RAM, but you can't really do it. RAM is one of the essential components in computers without which you can't really use a computer. You can turn it on, however, nothing will appear on your screen and the system won't boot. So, technically, it is safe, but it won't do anything to your computer as it cannot run without RAM.
An app or software created to optimize your daily task performance
Well we just benefit from it like it just helps as I guess