A computer virus is a program that transmits itself from one computer to another and tampers with its hardware or software whatever it enters.

Image source

There are three major types of programming.

There are three main types of such programs. Which cause computer glitches or affect data.

Image source

• Worm Correction.

• Virus.

• Trojan Horse.

Worm correction

This program spreads itself without anyone knowing and does not need anyone's help to be active ie it becomes active automatically. It is usually spread through the internet in which the user receives an email Used to open with which the Internet worm is attached. This payload may contain instructions that automatically reach the people you email or whose email address you entered in Miss Outlook or Address Book. They are not usually harmful but some worms are quite dangerous.

Virus.

A program that is dangerous to a computer, however, is called a virus. Technically, a virus is a program that is activated with the help of the user. That is, they entice you to run a program by enticing them with interesting names, or instruct them to open or download the attachments that come with the e-mail. When you open a file or run a virus program. So the virus starts working. It keeps its copies hidden in the computer.

Image source

Trojan Horse.

Like the Trojan horse of the ancient Greek tradition, this type of virus attaches itself to a common harmless program or software, and by running this program it also becomes active and starts its work. Trojan horses are common in softwares or CD's that are made illegally. Copied CDs are the biggest source of dissemination. Among them, China virus is very popular nowadays.

Image source

Special thanks to

@steem.skillshare

Wishes By

@bakar