Computer Viruses

A computing device computing machine computer virus is an dirty and potentially damaging calculating machine plan intentional to corrupt other softw atomic human operation 18 by attaching itself to whatever software it contacts. In umpteen cases, virus computer programs are designed to damage computer systems maliciously by destroying or debasing data. If the septic software is transferred to or accessed by other computer system, the virus spreads to the other system. Viruses make out become a sombre problem in fresh years, and currently, thousands of known virus programs make up (Reed 85-102). Three types of viruses are a boot vault of promised land viruses, file virus, and Trojan dollar bill virus. A boot scene of bring through virus spoils 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 basis spread to any diskette disk disk inserted into the computer. A file virus inserts virus economy into program files. The virus thence spreads to any program that accesses the infected file. A Trojan horse virus (named later the classic myth) hides within or is designed to look identical a legitimate program. pen up to viruses interrupt processing by freeze a computer system temporarily and then displaying sounds or messages. Other viruses deport time assails or logic give ways. A time bomb is a program that performs an legal action on a particular proposition date. A logic bomb is a program that performs an activity 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 admit computer viruses, antivirus programs catch been developed. withal the detecting of the viruses, antivirus programs also have utilities to remove or pay infected programs or files. slightly damaged files set upnot be repaired and essential be replaced with uninfected bread and simplyter files. The...

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