Viruses, Worms, and Trojans - Their Existence, Their Destructive Ability, and Our Defense
Posted by: admin in Computer software course1. Its Existence
Virus is a computer program designed to inflict some damage in computers. Virus, like its name, shares some elements that are possessed by its counterpart in the flesh and blood world namely the ability to multiply itself and infect another computer. Any removable media such as floppy disk and flash disk without any protection or encryption can easily be hitchhiked by a virus to spread on another computer. Optical disc such as CD or DVD not like general assumption can easily become one of the medium. Why? Because not like the old days when CDs are produced by large corporate who has clean systems to produce these kind of media, nowadays CD and DVD can be produced in any house in the world with very poor protection of virus.
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