Quarantining a virus.

 Q3.  What do you understand by quarantining a virus?

Ans. Quarantine means keeping the virus in some isolated place on your computer under strict vigilance so that it cannot do further harm to your computer. If you think the program may be a virus, you can send the quarantined virus to the antivirus vendor, where researchers examine it, determine its signature, name and catalog it and release its antidote. Read More …

Characteristics of a computer virus.

Q2. List the some common characteristics of a computer virus.
Common characteristics of a computer virus are as follows:

  1. Ability to attach itself to another program or file.
  2. Require an external action to activate itself. 
  3. Can replicate itself.

XML code in a tabular format.

Q1. Represent the following XML code in a tabular format:

<?xml version=”1.0” encoding=”utf-8”?>

<?xml-stylesheet href=”Style.css” type=”text/css”?>


<Authors au_id=”648-92-1872”>




<Authors au_id=”238-95-7766”>




<Authors au_id=”427-17-2319”>



</Authors> Read More …