DNA or RNA in a protein cover; viruses can only reproduce inside cells because they have few genes and no independent metabolism; they replicate their nucleic acid by exploiting the structures and enzymes of the host cell.
Any application which destroys the computer's integrity without the user's knowledge. Most viruses attach themselves to other programs and begin corrupting data when the 'host' program is activated.
A computer programme that replicates by copying itself. The term virus is often used to describe a virus or a worm.
(Variation and inheritance) ultramicroscopic non-cellular organism that replicates itself inside the cells of living hosts
An ultra-microscopic (one dimension less than 200 Âµm) organism. Viruses cannot reproduce alone but must first infect a living cell and usurp its synthetic and reproductive facilities. Responsible for some diseases in plants and animals.
A infective agent with a specific structure and able to cause its own multiplication after infection of specific cell
Microscopic particle that contains genetic information, but must invade a cell to reproduce.
A self-replicating code segment. Viruses may or may not contain attack programs or trapdoors.
Virus was a French Automobile. Pierre Brissonnet was the owner of the Garage Renouvier in the Rue de Renouvier in Paris. He built cyclecars between 1930 and 1935. Designer of the cars was a certain Renaud. The cars had front-wheel drive and an Two-stroke engine with 350 cc. The cars raced at the Bol d`Or. == Notes == ...Found on http://en.wikipedia.org/wiki/Virus_(automobile)
II: ssDNA viruses III: dsRNA viruses IV: (+)ssRNA viruses V: (−)ssRNA viruses VI: ssRNA-RT viruses A virus is a small infectious agent that replicates only inside the living cells of other organisms. Viruses can infect all types of life forms, from animals and plants to bacteria and archaea. Since Dmitri Ivanovsky`s 1892 article describing a no....Found on http://en.wikipedia.org/wiki/Virus
a group of submicroscopic infective agents that are considered nonliving complex molecules.Found on http://www.encyclo.co.uk/local/20003
A plant disease that cannot be eliminated by a chemical means. Some viruses have created stripped tulips. Most are feared by growers.Found on http://www.encyclo.co.uk/local/20077
An infectious particle composed of a protein capsule and a nucleic acid core, which is dependent on a host organism for replication. A double-stranded DNA copy of an RNA virus genome that is integrated into the host chromosome during lysogenic infection. (See Coat protein, DNA, Genome, Host, Nucleic acid, RNA, Tumor virus.)Found on http://www.encyclo.co.uk/local/20095
Infectious units comprising either RNA or DNA enclosed in a protective coat. Found on http://ppathw3.cals.cornell.edu/glossary/Defs_V.htm
A special type of program which is designed for malicious purposes. It spreads by attaching itself to other programs and then carrying out unwanted and often damaging operations.Found on http://www.mantex.co.uk/samples/glo-5.htm
- ultramicroscopic infectious agent that replicates itself only within cells of living hostsFound on http://www.webdictionary.co.uk/definition.php?query=virus
A virus is a contagious infection, such as a cold, which can't be treated with antibiotics. Immunisations against certain life-threatening viruses, such as polio and measles, are recommended for babies in the UK.Found on http://www.encyclo.co.uk/local/20423
(Digital cameras and photo printers) Describes a part of a computer program that usually causes damage or destruction of software and/or data.Found on http://www.encyclo.co.uk/local/20472
Very small agents containing genetic material and a protein coat. They multiply using the mechanism of a host cell.Found on http://www.encyclo.co.uk/local/20474
Code written to infect computers with destructive macros or applications.
Found on http://www.everlands.co.uk/glossary.htm
A malicious computer program that can cause damage to systems and potential corruption or destruction of information. These can be contracted through loading software, opening attachments in unchecked emails and downloading programs or documents from websites. You should always use up-to-date anti-virus software to detect viruses, prevent access to...Found on http://www.encyclo.co.uk/local/20546
a computer program which can replicate itself (unbeknown to the user) in various storage devices and in several places on one storage device - as discs are taken from one computer to another, the virus can be spread to more and more computers - often, the effect of these programs is to cause malicious damage to data within the computer system
Found on http://www.archivemag.co.uk/
A computer program that replicates by attaching itself to another object.
Found on http://www.encyclo.co.uk/local/20577
A program that attempts to replicate itself or destroy information on your computer system.Found on http://www.amigahistory.co.uk/v.html
A virus is a malicious program whose sole intent is to cause problems on a computer. There are Anti-Virus programs, such as McAfee and Norton Utilities, created to combat viruses.
Found on http://www.encyclo.co.uk/local/20660
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