What is the main damage caused when a computer virus strikes?

When a computer virus attacks, the main damage caused is: damage to programs, data and even systems stored on the hard disk. A computer virus is a set of computer instructions or program codes that the programmer inserts into a computer program to destroy computer functions or data. It can affect the use of the computer and can replicate itself.

When a computer virus attacks, the main damage caused is: damage to programs, data and even systems stored on the hard disk.

Computer Virus is a set of computer instructions or program codes that the programmer inserts into a computer program to destroy computer functions or data. It can affect the use of the computer and can replicate itself.

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

A computer virus is a program, a piece of executable code. Just like biological viruses, they have the characteristics of self-reproduction, mutual infection, and activation of regeneration. Computer viruses have unique replication capabilities. They can spread quickly and are often difficult to eradicate. They can attach themselves to various types of files and spread with them when they are copied or transferred from one user to another.

For more related knowledge, please visit PHP Chinese website! !

The above is the detailed content of What is the main damage caused when a computer virus strikes?. For more information, please follow other related articles on the PHP Chinese website!