Part one of term paper
A computer virus is an illegal and potentially damaging computer program designed to infect other software by attaching itself to any software it contacts. In many cases, virus programs are designed to damage computer systems maliciously by destroying of corrupting data. If the infected software is transferred to or accessed by another comp ...

Part two of term paper
... the virus is loaded into the computer’s memory. Once the Virus is in memory, it can spread to any floppy disk inserted into the computer. A file virus inserts virus codes into program files… The virus then spreads to any program that accesses the infected file. A Trogan horse virus (named after the Greek myth) hides within or is designed to look like s legitimate program. Some viruses interrupt processing by freezing a computer system temporarily and then displaying sounds or messag ...