Definition of computer virus: small but insidious piece of programming-code that attacks computer and network systems through 'contaminated' (infected) data files, introduced into a system via disks or internet. A computer virus is a program that is able to copy itself when it is run often, computer viruses are run as a part of other programs. Computer virus-a computer program that is designed to replicate itself by copying itself into the other programs stored in a computer it may be benign or have a negative effect, such as causing a program to operate incorrectly or corrupting a computer's memory.
Worm has two widely different definitions one refers to a computer virus and the other is an optical storage technology: 1) a type of computer virus. A computer worm is a type of malicious software program whose primary function is to infect other computers while remaining active on infected systems a computer worm is self-replicating malware . A computer virus is malicious code that replicates by copying itself to another program, computer boot sector or document and changes how a computer works the virus requires someone to knowingly . What is a computer virus think of a biological virus – the kind that makes you sick it’s persistently nasty, keeps you from functioning normally, and often requires something powerful to get rid of it.
The concept of a computer disease seemed rather foreign in 1989 when this caption from the definition for virus in the computer glossary was published. A computer virus is a program or piece of code that is loaded onto your computer without your knowledge and runs against your wishes viruses can also replicate themselves all computer viruses are man-made some people distinguish between general viruses and worms a worm is a special type of virus . Learn about computer viruses, including what a virus is, how viruses are spread, and how to help prevent viruses on your own computer with information from the microsoft security website. Definition of virus: infectious and parasitic microorganism much smaller than a bacterium, too small to be seen with a regular microscope or to be trapped even by ceramic filters a virus is incapable of independent .
Definition: a computer worm is a malicious, self-replicating software program (popularly termed as 'malware') which affects the functions of software and hardware programs description: it fits the description of a computer virus in many ways for example, it can also self-replicate itself and . Virus definition - a virus is a type of malicious software (malware) comprised of small pieces of code attached to legitimate programs when that. Some examples of computer viruses include the storm virus, sasser virus and melissa virus a computer virus is a program that causes some sort of harmful activity to a computer and then attempts to replicate and spread itself to other computers the storm virus originated in 2007, spreading itself .
Antivirus definition is - used to protect a computer from viruses : antiviral how to use antivirus in a sentence used to protect a computer from viruses : antiviral acting, effective, or directed against viruses : antiviral. The most common computer culprit is the macro virus--a type of virus that infects data documents like letters and spreadsheets--which accounts for more than 80 percent of all computer viruses computer viruses. A computer virus is an unwanted malicious program designed to cause damage to computers on a large scale a virus attacks a computer to spread other malware, allows remote control by unauthorized . Virus law and legal definition a virus is a program designed to infect and potentially damage files on a computer that receives it the code for a virus is hidden within a file or program—such as a text document or a spreadsheet program—and when the file is opened or the program is launched, the virus inserts copies of itself, infecting the . A computer worm is a standalone malware computer program that replicates itself in order to spread to other computers often, it uses a computer network to spread itself, relying on security failures on the target computer to access it.
A computer virus is a program that replicates by inserting or attaching itself to other computer programs or media and can disrupt a computer system's functional abilities protecting your computers from invaders: antivirus-software powerhouse symantec offers tips for keeping viruses, worms, and trojan horses at bay. Pc magazine tech encyclopedia index - definitions on common technical and computer related terms a trojan is similar to a virus, except that it does not replicate itself the computer . Bill was still smarting from the computer virus that had attacked one of our clients at the beginning of october val mcdermid kick back ( 2002 ) `a computer virus is a program that fastens like a parasite on the computer's working system, and gradually corrupts it. A computer virus is a type of malware that propagates by inserting a copy of itself into and becoming part of another program additional definitions and .
Definition of virus - an infective agent that typically consists of a nucleic acid molecule in a protein coat, is too small to be seen by light microsco. Computer virus is a software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computer a true virus cannot spread to another computer without human assistance.
Virus definition, an ultramicroscopic (20 to 300 nm in diameter), metabolically inert, infectious agent that replicates only within the cells of living hosts, mainly bacteria, plants, and animals: composed of an rna or dna core, a protein coat, and, in more complex types, a surrounding envelope. Computer-viruses definition: noun 1 plural form of computer virus definitions computer-viruses noun plural form of computer virus english wiktionary . A computer virus is a type of malicious software that, when executed, replicates itself by modifying other computer programs and inserting its own code. What is a trojan virus - definition in order to extend the period in which programs can run on an infected computer trojan-banker .