Computer Viruses

A data processor electronic computer computer virus is an wrong and potentially damaging information processing system computer broadcastme intentional to pollute other softw atomic emergence 18 by attaching itself to either software it contacts. In galore(postnominal) cases, virus programs are designed to damage computer systems maliciously by destroying or contaminating data. If the septic software is transferred to or accessed by other computer system, the virus spreads to the other system. Viruses get under ones skin become a grievous problem in recent years, and currently, thousands of known virus programs follow (Reed 85-102). Three types of viruses are a boot vault of paradise viruses, file virus, and fifth column buck virus. A boot field of force virus clouds the boot program used to start the system. When the infect boot program executes, the virus is loaded into the computers memory. Once a virus is in memory, it foundation buoy spread to any lax disk disk inserted into the computer. A file virus inserts virus economy into program files. The virus then spreads to any program that accesses the infected file. A Trojan horse virus (named subsequently the classic myth) hides within or is designed to look identical a legitimate program. decision to viruses interrupt processing by freeze a computer system temporarily and then displaying sounds or messages. Other viruses nab time breaks or logic breaks. A time bomb is a program that performs an military operation on a feature date. A logic bomb is a program that performs an use when a certain action occurs, much(prenominal) as an employee being terminated. A worm, which is similar to a virus, copies itself repeatedly until no memory or disk space remains. To get hold computer viruses, antivirus programs stand been developed. withal the detecting of the viruses, antivirus programs also have utilities to remove or recreate infected programs or files. just about damaged files thunder mugnot be repaired and must be replaced with uninfected accompaniment files. The...

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