Sunday 12 July 2015

Computer Virus

 
Computer virus representation(abstract)
              A computer virus is nothing but a malicious code that replicates itself again and again in a specified manner.A computer virus commonly comes in a system when an email attachment is downloaded from our email account this will replicates all the contents of our attachment and some times corrupt the file before opening it.

               Virus is a term that stands for "Vital Information Resources Under Seize" this means a computer virus is runs without wishes of user and corrupt over all system files or impotent documents on the systems memory.

                The overall memory is occupied by the virus and hard disk may be corrupted because of viruses. There are various types types of viruses listed below:-

  1. Boot sector viruses
  2. Traditional file viruses
  3.  Document or macro viruses
  4. 32-bit file viruses
  5. Worms
  6. Trojan horses