Friday 6 April 2012

TYPES OF COMPUTER VIRUSES, HOW DO THEY AFFECT OUR COMPUTER&HOW TO PROTECT OUR COMPUTER FROM THEM?




COMPUTER VIRUS:-
Computer viruses are similar to biological viruses in the way they multiply in number and in the way they need a host to survive. OR
Viruses are malicious software programs that have been designed by other computer users to cause destruction and havoc on a computer and spread themselves to other computers where they can repeat the process.
TYPES OF COMPUTER VIRUS:-The three basic types of computer virus. These are:-1-Trojan Horses
2-Worms
3-Email Viruses
CONTRACTION OF COMPUTER VIRUS: In the past the majority of computer viruses were contracted from users sharing data using floppy diskettes. However, with the increased popularity
of the Internet most computer viruses are contracted today through e-mail and by downloading software over the Internet or P2P sharing.
PREVENTION OF COMPUTER VIRUS:-
The recommended method of detecting and cleaning the computer from any computer viruses or other malware is an antivirus protection program. A listing of antivirus protection programs and what they help protect can be found on document CH000514.
Alternatively, a user can look at various aspects of the computer and detect possible signs indicating a virus is on the computer. While this method can be used to determine some viruses, it cannot clean or determine the exact virus you may or may not have and is not recommended.