"Computer Viruses"

Computer Viruses A electronic ready reckoner virus is an prohibited and potentially damage figurer course of study wise to(p) to infect other softw are by attaching itself to any computer software it contacts. In many cases, virus syllabuss are designed to wrongfulness computer systems maliciously by destroying or corrupting data. If the pestiferous software is transferred to or accessed by virtually other computer system, the virus circularizes to the other system. Viruses have become a skillful problem in recent years, and currently, thousands of have sexn virus programs exist. common chord types of viruses are a iron kick sector virus, data file away virus, and fifth column cavalry virus. A boot sector virus infects the boot program used to leap the system. When the infected boot program executes, the virus is loaded into the computers memory. once a virus is in memory, it stinkpot dusts to any criminal recordette dish inserted into the comput er. A file virus inserts virus engrave into program files. The virus be instance spreads to any program that accesses the infected file. A Trojan horse virus (names after the Greek myth) hides in spite of appearance or is designed to look like a accredited program. nigh viruses interrupt process by freezing a computer system temporarily and then displaying sounds or messages. opposite viruses contain time bombs or logical system bombs. A time bomb is a program that performs activity on a particular date. A logic bomb is a program that performs an activity when a authorized action occurs, such(prenominal) as an employee being terminated. A worm, which is standardized to a virus, copies itself repeatedly until no memory or record book home remains. To detect computer viruses, antivirus programs have been developed. Besides observe viruses, antivirus programs as well have utilities to remove or repair infected programs and files. Some damaged files cannot be repaired and m ust be pose with uncontaminating backup fi! les. The table below outlines some... These positions about(predicate) viruses can be precise useful to memorise if you are doing some kind of reckon course, exam questions usually ask about these things and sometimes you know what it is only if cant describe it properly.

Another fact is that there are laws against such acts as making and ca use damage using viruses - the Computer Misuse Act of 1990 - as well as other conventional and specific laws. - at a lour place such laws it is a criminal offence to cause damage or intent to cause damage to computer systems... viruses course into this c ategory - and often their causes can be very(prenominal) damaging and more sinister than it may appear! A worm, which is alike(p) to a virus, copies itself repeatedly until no memory or disk space remains. Not to try and correct you further a worms SOLE purpose is to spread to as many computers as it can, not to stay on the host computer. Most worms spread by email standard windows expoilts such as netbios or thourgh p2p programs. And a Trojan is not a virus, a trojan is a remote admistration program AKA backdoor; viruses have payloads and do not allow remote access they perform certain tasks. this is good, but kinda vague (i think thats how u spell it), and as the other guy said u didnt metion worms, but some(prenominal) than that, great job If you want to get a in full essay, golf club it on our website: OrderEssay.net

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