Computer Virus Definition Ks3

In other words the computer virus spreads by itself into other executable code or documents.

Computer virus definition ks3. Ks3 ict computer science homework booklet part one name. A trojan starts by pretending to be a trusted file but gives unauthorised access. They are always induced by people. Sometimes the damage is minor but often it can be disastrous.

This page contains a technical definition of virus. What should be used to remove malware from a computer. In this lesson learn the definition of a computer virus how these viruses work and ways you can keep your computer safe and healthy. A computer virus is a type of computer program that when executed replicates itself by modifying other computer programs and inserting its own code.

Match up the key terms to their correct definition. Humans aren t the only things that get sick from time to time. It spreads by duplicating and attaching itself to files. Techterms the tech terms computer dictionary.

Any program that is affected by the virus is infected. The purpose of creating a computer virus is to infect vulnerable systems gain admin control and steal user sensitive data. A computer virus much like a flu virus is designed to spread from host to host and has the ability to replicate itself. Computer viruses cause billions of dollars worth of economic damage each year in 1989 the adapso software industry division published.

A computer virus is a malicious software program loaded onto a user s computer without the user s knowledge and performs malicious actions. Biological viruses also work that way as they copy themselves as part of other organisms this is how the computer virus got its name. When this replication succeeds the affected areas are then said to be infected with a computer virus. Similarly in the same way that viruses cannot reproduce without a host cell computer viruses cannot reproduce and spread without programming such as a file or document.

A computer virus is a simple program made to harm a computer system. All definitions on the techterms website are written to be technically accurate but also easy to understand. A virus harms your computer in some way usually by deleting or altering files and stopping programs from running. A computer virus is a program that is able to copy itself when it is run.

The term computer virus was first formally defined by fred cohen in 1983 computer viruses never occur naturally. Often computer viruses are run as a part of other programs. It explains in computing terminology what virus means and is one of many software terms in the techterms dictionary. A computer virus is a malicious program that self replicates by copying itself to another program.

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