Question

$\huge\tt{question}$
the computer restarts often on its on it is one of the sign of virus attack
a)true
b)false​

Answer 1

Answer:

Crashes and error messages

If programs start opening and closing automatically, your system freezes or shuts down for no reason, or you see odd error messages, then you may have a virus infection.

Answer 2

I'm fine :)

An atmosphere is the layers of gases surrounding a planet or other celestial body. Earth's atmosphere is composed of about 78% nitrogen, 21% oxygen, and one percent other gases.