Available Answers

1. 1.

   Fill in the blanks.

   1. ____________ allows user to send instant messages back and forth to each other.
   2. An ________ is a virtual meeting place for individuals who share the same interests.
   3. _____________ is a short form of malicious software.
   4. A program that is secretly embedded on a computer system to steal, corrupt or destroy data is known as _________.
   5. __________ can be defined as a medium of delivering television content over an Internet connection. 
2. 2.

   State True or False.

   1. A worm attacks a computer by attaching itself to other files or computers. 
   2. A signature is a bit of personalised text which is inserted at the bottom of every mail. 
   3. Bcc stands for Blue Carbon Copy.
   4. A file larger than 25 MB cannot be sent as an attachment. 
   5. E-learning is more expensive as compared to traditional ways of learning.
3. 3.

   Mr. Nanda wants to conduct a corporate meeting between all the branches of his company, across the country, He wants to have a face to face conversation with all the Regional Managers, Which Internet service should he use for this virtual meeting? 

4. 4.

   Rohini wants to send the copy of an official mail to multiple recipients, she does not want to let them know the other persons receiving the same mail. Which feature should she use for the same? 

5. 5.

   Write a short note on E-learning.

6. 6.

   Define threat in terms of computer security. Explain any two security threats.