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.
My guess would be B and D.
Answer: False
Explanation:
The statement that "Peacekeeper text is non-printing text that indicates where you can type" is false.
The non-printing text which shows where on exam type is referred to as the peaceholder text. It is usually an hint which can be used to fill in the actual text.
Answer:
Examples are Ctrl, Alt, Fn, Alt Gr, Shift, Caps Lock, Tab, Scroll Lock, Num lock, Esc, Windows Key, Backspace, Enter...