Computer Viruses

A computer virus is a computer class that can copy itself and infect a computer without authority or k without delayledge of the white plaguer. The original may modify the copies or the copies may modify themselves, as occurs in a metamorphous virus. A virus can only spread head from wizard computer to another when its host is taken to the uninfected computer, for cause by a user sending it over a network or carrying it on a removable long suit such as a floppy disk, CD, USB drive or by the Internet. Additionally, viruses can spread to other computers by infecting files on a network file system or a file system that is accessed by another computer. Viruses are sometimes confused with computer worms and Trojan horses. A worm, however, can spread itself to other computers without needing to be transferred as part of a host. A Trojan horse is a file that appears harmless until executed. In contrast to viruses, Trojan horses do not insert their rule into other computer files. Mevery personal computers are now connected to the Internet and to local-area networks, facilitating their spread. Todays viruses may also take improvement of network services such as the World childlike Web, e-mail, and file sharing systems to spread, blurring the line between viruses and worms.



Furthermore, some sources use an alternative terminology in which a virus is any form of self-replicating malware.

The term comes from the term virus in biology. A computer virus reproduces by making (possibly modified) copies of itself in the computers memory, storage, or over a network. This is similar to the way a biological virus works.

Some viruses are programmed to damage the computer by damaging programs, deleting files, or reformatting the hard disk. Others are not knowing to do any damage, but simply replicate themselves and possibly make their presence known by presenting text, video, or auditory sensation messages. Even these benign viruses can create problems for the computer user. They typically take up computer memory used by...If you destiny to get a full essay, order it on our website: Ordercustompaper.com



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