1. A virus is something that affects the way a computer runs.
2. A virus must be able to replicate itself and be execable.
3. Five types of viruses are; File Infector, Boot Sector, Macro, Master boot record, and Multi-partite.
4. A Trojan Horse is malicious programs that sneaks into a victims computer disguised as harmless software.
5. A Worm is a piece of code that can make fully functional copies of itself and travel through a computer network.
6. Five problems why Worms are misbelieved to be Viruses are; there are no viruses that can physically damage computer hardware, the computer beeps at startup with no screen display, you are not able to open a particular document, you have two antivirus programs installed and one reports a virus, and the computer does not registeer 640 K of conventional memory.