<em>The main cause of computer viruses is putting an infected USB flash drive into your computer, opening an infected email, going to websites that are dangerous, and downloading infected files Some viruses disguising them self's as pop-ups. Files that could have downloaded themselves while you are on theses dangerous websites are viruses as well.</em>
<em>Be carful and make sure you don't do anything to deal with these! ;)</em>
Answer:
<em>debit</em><em> card</em><em /><em /><em> </em><em>I </em><em>thi</em><em>nk</em><em> </em><em>so</em><em> </em><em>only</em><em> </em><em>o</em><em>ne</em>
<span>It is false that a thin red border indicates the active cell. As a matter of fact, an active cell is indicated by a thin green border. That means that you have clicked that particular cell, and that it is activated, so that you can use it and write whatever you want there. Usually, even in the real world, green means that something is active, and red that it is inactive.</span>
#1 Windows
#2 Ubuntu
#3 Mac OS
#4 Fedora
#5 Solaris
Those are the top 5 best operating systems
