There are four a variety of computer viruses classified judging by the various in the computer they cause harm to. The following is a list.

(a) Boot Sector Computer Virus

These viruses include the most popular. They harm the boot records present on just about any digital storage equipment, like the hard drives with the computer and all peripheral disks which are suited for them, including DVDs, CDs plus much more commonly on floppy disks. These viruses might be loaded at any time using the pc, however, they become active after the boot record has been used from the computer, i.e. if it boots when. Once they become active, they become very difficult to remove. The redundancy of floppy disks in today’s times has triggered a reduction in a good boot sector viruses.

(b) Master Boot Record Computer Viruses

These viruses are specialized versions from the boot sector viruses, in …