Video conferencing is:

Which of the following is free e-mail service provider?

A computer virus is ?

The software that is used to create text-based documents are referred

......... is a windows utility program that locates and eliminates unnecessary fragments and rearranges files and unused disk space to optimize operations.

What does the ".com" in the URL: www.abcd.com indicate? 

DOS cannot retrieve any data from a disk if a computer virus corrupts the _____ of the computer.

Which one of the following is an example of a Web Browser?

KUCMP is used for

Which of the following is a valid domain name extension?