virus works. The first type of virus is the most common. They are known as executable or file infector viruses. This category of virus is the oldest and their presence has been detected since the early 1980s. These viruses “either attach themselves to the end of other executable files on a hard drive or reside on the boot sector of a floppy, installing themselves into the hard drive when the machine boots up with the infected floppy in the drive” (Carden and Byrne 102). Today, more hearty versions of this kind
...