Definition Virus Of Computer

A computer virus is a malicious software program or piece of code created by a hacker to upload onto a user s computer without their knowledge for performing malicious actions. A computer virus is a small software program that can spread from one computer system to another and cause interferences with computer operations. These malicious little programs can create files move files erase files consume your computer s memory and cause your computer not to function correctly.

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The term computer virus was first formally defined by fred cohen in 1983.

Definition virus of computer. If you own a computer you undoubtedly heard a lot about computer viruses. Computer virus definition from other sources a computer program that is designed to replicate itself by copying itself into the other programs stored in a computer. The term computer virus was coined in the early 1980s supposedly after a graduate student presented the concept of a program that could infect other programs. Since then more than a million.

Computer virus definition computer virus is a malicious code or program designed to alter the way a computer system operates and is written in such a way that it can spread from one computer to another by itself without the user s knowledge to operate malicious actions. A computer virus is a type of computer program that when executed replicates itself by modifying other computer programs and inserting its own code. When this replication succeeds the affected areas are then said to be infected with a computer virus. A computer virus is a malicious software program loaded onto a user s computer without the user s knowledge and performs malicious actions.

The purpose of creating a computer virus is to infect vulnerable systems gain admin control and steal user sensitive data. Computer viruses are harmful and designed to spread from host to host. What is a computer virus. It can destroy a single program or the whole computer system instead.

In other words the computer virus spreads by itself into other executable code or documents. It may be benign or have a negative effect such as causing a program to operate incorrectly or corrupting a computer s memory. Computer viruses never occur naturally. A computer virus is a malicious program that self replicates by copying itself to another program.

Computer viruses cause billions of dollars worth of economic damage each year. Computer viruses are small programs or scripts that can negatively affect the health of your computer. A computer virus has the capacity to corrupt or to delete data on your computer and it can use an e mail program to spread the virus to other email addresses in your online address book. They are always induced by people.

When we talk about computer security the virus is the leading threat. The very first virus was created in the 1970s and was called the creeper virus affecting computers on the arpanet.