What is a computer virus

summary

Computers are now very common, every household has, but there are often viruses in the computer. For people who have just come into contact with computers, they don't know what a virus is. With this question, let's answer what a computer virus is.

What is a computer virus

First, computer virus is a set of computer instructions or program codes inserted in computer programs by programmers, which can destroy computer functions or data, affect the use of computers, and self replicate.

Second, computer viruses are contagious, covert, infectious, latent, excitable, expressive or destructive. The life cycle of computer virus: development period → infection period → incubation period → attack period → discovery period → digestion period → extinction period.

Third, a computer virus is a program, an executable code. Like the biological virus, it has the characteristics of self reproduction, mutual infection, activation and regeneration. The spread of computer virus is very fast, and it can also replicate automatically, so that the virus can quickly spread to the whole computer, so that people can not get rid of it.

matters needing attention

Computer virus is also due to the spread of some illegal websites, so at ordinary times should pay more attention not to casually click the unknown website, also don't easily accept strangers to send you the link, these may be the spread of the virus website.