Computer Virus Definition Youtube

A computer virus is a malicious software program loaded onto a user s computer without the user s knowledge and performs malicious actions.

Computer virus definition youtube. Learn what is this famous term that we use everyday and learn its working mechanism and how to protect from viruses. Computer virus a portion of a program code that has been designed to furtively copy itself into other such codes or computer files. What is computer virus. The term computer virus was first formally defined by fred cohen in 1983 computer viruses never occur naturally.

A computer virus much like a flu virus is designed to spread from host to host and has the ability to replicate itself. 1984 computer virus defined in 1984 computer scientist fred cohen handed in his graduate thesis paper computer viruses theory and experiments in which he coined the term computer virus which is great because complicated self reproducing automata is a real mouthful. Similarly in the same way that flu viruses cannot reproduce without a host cell computer viruses cannot reproduce and spread without programming such as a file or document. It is usually created by a prankster or vandal to effect a nonutilitarian result or to destroy data and program code.

They are always induced by people. This video is about the definition of computer virus how it influences the functioning of a computer and different types of viruses. Whatever you need a website for create yours today with wix. Opportunistic hackers use botnets a sort of robot virus to infect thousands of devices the botnet turns your computer into an automated video watching zombie using your electricity your computer s processing power and causing wear and tear on your device.

It spreads by duplicating and attaching itself to files. A computer virus is a type of computer program that when executed replicates itself by modifying other computer programs and inserting its own code. 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 simple program made to harm a computer system.

Sometimes the damage is minor but often it can be disastrous. When this replication succeeds the affected areas are then said to be infected with a computer virus. Video ads can send you to dangerous places too.